Ions And Electrons (Unit 7) Test Question Preview (ID: 36197)
Test Prep For Ions And Electrons (Unit 7).
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What do you call an atom that has lost or gained electrons?
a) isotope
b) ion
c) metalloid
d) compound
What charge does an electron have?
a) Positive
b) Negative
c) Neutral
d) Unknown
What do you call the vertical columns on the periodic table?
a) Groups
b) Metalloids
c) Periods
d) Compounds
What do the vertical columns represent on the periodic table?
a) If elements are Solid, liquids, gases
b) If the elements are metals or nonmetals
c) Number of valence electrons
d) Number of electron energy levels
What do you call the horizontal rows on the periodic table?
a) Groups
b) Families
c) Periods
d) Compounds
What do the horizontal rows on the periodic table represent?
a) Type of matter of the elements
b) Number of electron energy levels
c) Number of valence electrons
d) Atomic masses
How many valence electrons do the alkali earth metals have?
a) 1
b) 2
c) 3
d) 4
How many valence electrons does the nitrogen family have?
a) 2
b) 3
c) 5
d) 7
What is the oxidation number (the charge) of a Calcium ion?
a) 1+
b) 2+
c) 3+
d) 4+
How many electrons does a Al 3+ ion have?
a) 8
b) 13
c) 16
d) 10
How many electron energy levels (rings) does a sulfur Bohr diagram have?
a) 1
b) 2
c) 3
d) 4
If an atom has gained an electron it is called?
a) Isotope
b) Cation
c) Compound
d) Anion
If an atom has lost an electron(s) it is called?
a) Cation
b) Isotope
c) Anion
d) Compound
How many electrons does a neutral atom of Silicon have?
a) 10
b) 18
c) 14
d) 28
How many energy levels (rings) does a Bohr diagram of Iodine have?
a) 2
b) 3
c) 4
d) 5
What is the oxidation number (charge) of a selenium ion?
a) 2+
b) 1+
c) 1-
d) 2-
How many electrons does an anion of Selenium posses?
a) 34
b) 36
c) 79
d) 78
What charge does a proton posses?
a) Postive
b) Negative
c) Neutral
d) Unknown
The ________________ of an atom is the number of protons an atom possesses.
a) Isotope
b) Atomic Mass
c) Oxidation Number (Charge)
d) Atomic Number
The electron cloud is where you would find what particle(s)?
a) Nucleus
b) Electron
c) Neutron
d) Proton
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