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- 1. Fill in the Blank
The force that holds atoms together is called
a(n) _______
- 2. Fill in the Blank
You can predict the number of bonds an atom
can form by drawing its ___________
- 3. Fill in the Blank
The nitrogen and hydrogen atoms that make
up ammonia (NH3) are held together by a(n)____________
because the atoms share valence
electrons unequally.
- 4. Fill in the Blank
Two hydrogen atoms and one oxygen atom
together are a ___________ of water.
- 5. Fill in the Blank
A positively charged sodium ion and a
negatively charged chlorine ion are joined
by a(n) _____________ to form the compound
sodium chloride.
- 6. Multiple Choice
Atoms lose, gain, or share electrons and
become as chemically stable as
an electron.
an ion.
a metal.
a noble gas.
- 7. Multiple Choice
If an electron transfers from one atom to
another atom, what type of bond will most
likely form?
covalent
ionic
metallic
polar
- 8. Multiple Choice
What would make bromine, a group 17
element, more similar to a noble gas?
gaining one electron
gaining two electrons
losing one electron
losing two electrons
- 9. Multiple Choice
How many dots would a dot diagram for
selenium, one of the group 16
elements, have?
6
8
10
16
- 10. Multiple Choice
Which group of elements on the periodic
table forms covalent compounds with other
nonmetals?
group 1
group 2
group 17
group 18
- 11. Multiple Choice
Which would most likely be joined by an
ionic bond?
a positive metal ion and a positive
nonmetal ion
a positive metal ion and a negative
nonmetal ion
a negative metal ion and a positive
nonmetal ion
a negative metal ion and a negative
nonmetal ion
- 12. Multiple Choice
Which information does the chemical formula
CO2 NOT give you?
number of valence electrons in each
atom
ratio of atoms in the compound
total number of atoms in one molecule of
the compound
type of elements in the compound
- 13. Multiple Choice
Covalent bonds typically form between the
atoms of elements that share
nuclei.
oppositely charged ions.
protons.
valence electrons
- 14. Multiple Choice
Which compound is formed by the attraction
between negatively and positively charged
ions?
bipolar
covalent
ionic
nonpolar
- 15. Multiple Choice
The atoms of noble gases do NOT bond
easily with other atoms because their valence
electrons are
absent
moving
neutral
stable
- 16. Multiple Choice
Which part of the atom is shared,
gained, or lost when forming a chemical
bond?
electron
neutron
nucleus
proton
- 17. Multiple Choice
A metallic bond is a bond between ________.
nonmetals
metals
transition metals
metalloids
- 18. Multiple Choice
What do electrons do in a metallic bond?
They stay on the metal atom.
They are transferred from atom to atom.
They form a covalent bond with another atom.
They float around freely.
- 19. Multiple Choice
The positive ions tend to _____________ electrons.
lose
gain
- 20. Multiple Choice
The negative ions tend to _____________ electrons.
lose
gain
- 21. Multiple Choice
How do bonds make elements stable?
so the number of protons equals the number of electrons
make other atoms unstable
fill the outermost energy level
- 22. Multiple ChoiceWhat two types of atoms make a covalent bond?2 Nonmetals1 Nonmetal and 1 Metal2 Metals2 Noble Gases
- 23. Multiple Choice
Which of these is incorrect?
- 24. Multiple Choice
What are valence electrons?
The total number of electrons in an atom
The number of electrons in the outermost shell
The number of electrons in the second shell
The number of protons in the outermost shell
- 25. Multiple Choice
Elements that have atoms with full valence shells are in
Group 1
Group 2
Group 17
Group 18
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