...water. D) An element is a substance...
...of a given element have identical mass...
...Atoms of one element can be changed...
...atoms of another element in a chemical...
...identity of an element. A) electrons D)...
...number of an element represents A) the...
...atom of the element. C) the number...
...atom of the element. D) the number...
...atom of the element. E) the mass...
...atom of the element. Ans:  C 20. The...
...isotopes of an element? A) mass number...
...isotopes of an element have the same...
...Isotopes of an element have similar chemical...
...of the same element will vary greatly....
...isotopes of an element have different mass...
...of a given element have the same...
...Ans:  A 25. The element magnesium, Mg, has...
...34. Identify the element or ion shown...
...isotopes of an element considering the natural...
...mass of that element. C) The relative...
...isotope of an element, and measure their...
...Ans:  B 50. An element, El, has two...
...identity of this element? A) Ar B)...
...ions. Which other element is expected to...
...charge of any element's ion can be...
...class does the element chromium belong? A)...
...class does the element uranium belong? A)...
...class does the element calcium belong? A)...
...86. Select the element that is an...
...87. Select the element that is a...
...88. Select the element that is an...
...speedium (a fictional element) which has three...
...atom of an element to be neutral,...
...mass of an element is the average...
...metalloid is an element that has physical...
...figures. 129. The element fluffium (Fl) was...
...130. A new element, grubium (Gr), was...
...by a representative element. Ans: Representative metals...

...Ans:  E 28. The element gallium melts at...
...called the “densest element” with a density...
...sand 100. Define element. Ans: An element...
...element. Ans: An element is a substance...
...following as an element, a compound, or...
...following as an element, a compound, or...
...following as an element, a compound, or...
...following as an element, a compound, or...
...Oxygen gas. Ans: Element 125. Classify the...
...compound, or an element: Brewed coffee, ready...
...compound, or an element: Sugar to put...
...compound, or an element: Orange juice. Ans:...
...a compound or element? Ans: Compound 129....

...of a given element are identical. Answer:...
...of a given element are identical. E)...
...of the same element are identical. II)...
...atoms of an element have the same...
...of the same element: I) is called...
...30) A hypothetical element, E, has two...
...weight of the element? A) 47.76 u...
...31) A hypothetical element, E, has two...
...u 24.32% The element's atomic mass would...
...C 33) An element has 5 stable...
...75.9214 7.76% The element is which of...
...C 34) An element has 5 stable...
...95.9082 2.80% The element is which of...
...grams of the element phosphorus contain: A)...
...isotope of what element? A) Tl B)...
...76) A new element is discovered. It...
...mass of the element? A) 351.6 B)...
...81) A certain element contains eleven atoms...
...weight of this element. A) 97.451 u...
...of a fictional element, georgium, if it...
...weight of an element if 4.00 grams...

...to form an element, they do so...
...atoms of each element in a particular...
...A naturally occurring element consists of three...
...this naturally occurring element? * a. 47.667...
...A naturally occurring element consists of three...
...this naturally occurring element? a. 49.254 u...
...A naturally occurring element consists of three...
...this naturally occurring element? a. 64.035 u...
...A naturally occurring element consists of three...
...this naturally occurring element? a. 50.335 u...
...A naturally occurring element consists of two...
...mass of this element * a. 69.728...
...of a particular element? a. they possess...
...of a particular element? a. they possess...
...2.3 31. Which element is a halogen?...
...is the heaviest element in the group....
...2.5 35. Which element exists as a...
...2.5 36. Which element exists as a...
...2.5 37. Which element exists as a...
...2.5 38. Which element exists as a...
...2.5 39. Which element exists as a...
...An alkaline earth element, which we will...
...with a second element, which we will...
...formula is AlE3. Element E is most...
...a. an actinide element. b. an alkali...
...e. a transition element. Section 2.8 55....
...also combines with element Z to form...
...also combines with element Z to form...
...with a third element, E, to form...
...magnesium combines with element E to form...

...following has the element name and symbol...
...following has the element name and symbol...
...pure substance B) element C) both homogeneous...
...B) either an element or a compound...
...mixture E) an element Answer: B 14)...
...B 14) An element cannot __________. A)...
...composition of an element is always the...
...heterogeneous mixture B) element C) homogeneous mixture...
...symbol for the element calcium is __________....
...symbol for the element magnesium is __________....
...symbol for the element mercury is __________....
...symbol for the element phosphorus is __________....
...symbol for the element __________. Answer: Tin...
...symbol for the element __________. Answer: Silicon...
...symbol for the element __________. Answer: Copper...

...following has the element name and symbol...
...pure substance B) element C) both homogeneous...
...B) either an element or a compound...
...mixture E) an element Answer: B 11)...
...B 11) An element cannot ________. A)...
...composition of an element is always the...
...heterogeneous mixture B) element C) homogeneous mixture...
...symbol for the element phosphorus is ________....
...5 3) The element hydrogen has the...
...following has the element name and symbol...
...matched to the element name. Answer: D...
...symbol for the element neon is ________....
...symbol for the element sodium is ________....
...symbol for the element phosphorus is ________....
...symbol for the element ________. Answer: Tin...
...symbol for the element ________. Answer: Silicon...
...symbol for the element ________. Answer: Copper...

...is the principle element of all things....
...substance is an element. a. I b....
...substance mixture II. element atoms III. mixture...
...a. Atom b. element c. molecule d....
...a(n) ____. a. element b. ion c....
...of matter?. a. element b. compound c....
...which is an element. c. A pure...
...b. is an element. c. is a...
...which is an element. c. A pure...
...of a given element have the same...
...of a given element have the same...
...Atoms of one element are different from...
...atoms of another element. e. All of...
...substance is an element. a. I. b....
...substance is an element. a. I b....

...air is an element?     A. ...
...    A.  element. B.  compound. C. ...
...B.  mixture. C.  element. D.  isotope. Mixtures...
...contain(s) only an element?       A. ...
...of only one element. D.  A compound...
...substance is an element?     A. ...
...    A.  element B.  ion C. ...
...more than one element that are also...
...elements, the second element mentioned    ...
...the more metallic element. D.  is the...
...on a lone element that is named...
...number of each element is the same...
...number of each element is the same...
...number of each element is the same...
...number of each element is the same...
...before the first element if it is...
...on the second element.   65. The...
...more than one element. B.  may be...

...of a given element. D) No atoms...
...A) compound B) element C) gas D)...
...cannot be an element. C) must be...
...cannot be an element. B) must be...
...discovery of the element gallium D) the...
...isotopes of an element D) the difference...
...of the same element have the same...
...of the same element have the same...
...of the same element that have different...
...atoms of an element are identical. C)...
..."box" for an element on the periodic...
...information about an element EXCEPT A) its...
...proportion of the element in a compound....
...is the smallest element and has a...
...is the largest element and has a...
...of the same element may have different...
...posed by an element when it is...
...from the parent element and emit particles...

...theory? A) Each element is characterized by...
...of the same element have different masses....
...isotope of an element C) the law...
...chemical symbol of element Q in ....
...of a particular element all have the...
...weight of the element. C) The mass...
...A 37) An element has two naturally...
...weight of the element? A) 185.702 amu...
...C 38) The element antimony has an...
...atom of the element hydrogen? A) 2.0...
...mole of which element has the smallest...
...g of which element contains the greatest...
...number of an element by A) -2....
...transmutation to another element? A) alpha emission...
...is the only element that contains more...
...of stable isotopes? Element number: A) 48...
...compound. B) an element. C) a heterogeneous...
...compound. B) an element. C) a heterogeneous...
...compound. B) an element. C) a heterogeneous...
...compound. B) an element. C) a heterogeneous...
...compound. B) an element. C) a heterogeneous...
...the identity of element Q if the...
...B 101) Which element can form more...
...C 102) Which element can form more...
...represents a pure element? A) drawing (a)...
...binary fluoride of element A? A) AF2...
...binary fluoride of element B? A) BF2...
...binary fluorides of element C correct? A)...
...binary fluorides of element D correct? A)...
...(where M = element A, B, C,...
...or D)? A) element A B) element...
...element A B) element B C) element...
...element B C) element C D) element...
...element C D) element D Answer: A...
...(where M = element A, B, C,...
...or D)? A) element A B) element...
...element A B) element B C) element...
...element B C) element C D) element...
...element C D) element D Answer: D...
...(where M = element A, B, C,...
...or D)? A) element A B) element...
...element A B) element B C) element...
...element B C) element C D) element...
...element C D) element D Answer: B...
...(where M = element A, B, C,...
...or D)? A) element A B) element...
...element A B) element B C) element...
...element B C) element C D) element...
...element C D) element D Answer: C...
...What is the element symbol for an...
...chemical symbol of element Q in ....
...compound. B) an element. C) a heterogeneous...
...compound. B) an element. C) a heterogeneous...
...compound. B) an element. C) a heterogeneous...
...compound. B) an element. C) a heterogeneous...
...the identity of element Q if the...
...of the same element always have the...