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WorksheetsElements & Chemical Bonds
Total questions: 20
Worksheet time: 12mins
The force that holds atoms together is known as:
centripetal force
gravity
chemical bond
chemical reaction
Metals are located ______ of the periodic table.
on the right side
on the left side
on the left side and the middle
on the bottom and right side
Electrons with the greatest amount of energy are located:
further from the nucleus
closest to the nucleus
in the first energy level
in the nucleus
Which does NOT describe a valence electron?
electrons with the less amount of energy
electrons that participate in chemical bonding
electrons in the outermost energy level
electrons that have the most energy
Which of the following elements is the most stable?
Neon
Fluorine
Calcium
Sodium
Which elements are the most stable?
Halogens - Group 17
Noble gases - Group 18
Alkali metals - Group 1
Alkaline earth metals - Group 2
How many valence electrons do halogens have?
1
2
7
8
How many electrons can the first energy level hold?
1
2
8
10
How many electrons can the second energy level hold?
1
2
8
10
What characterizes a stable atom? (choose all that apply)
atoms with all paired electrons
atoms with a full outermost energy level
atoms that have at least 1 unpaired electron
atoms that have 2 unpaired electrons
What do the dots in an electron dot diagram represent?
all the electrons in an atom
only the valence electrons
the protons in the nucleus of an atom
the neutrons and protons in the nucleus
A chemical bond formed when atoms share electrons.
covalent bond
ionic bond
metallic bond
Bond, James Bond
When atoms share 2 pairs of valence electrons...
single covalent bond
double covalent bond
triple covalent bond
paired covalent bond
What's a triple covalent bond? (Choose all that apply)
when 3 pairs of electrons are shared between two atoms
when 3 electrons are shared between two atoms
when 2 pairs of electrons are shared between two atoms
when 6 electrons are shared between two atoms
Atoms that gain an electrical charge are known as:
electrons
ions
isotopes
neutral atoms
Which bond occurs within metals and nonmetals?
covalent bond
metallic bond
ionic bond
Bond, James Bond
Which of the follwing statements is/are true for ionic bonds? (choose all that apply)
occurs between ions
the metal gains electrons while the nonmetal loses electrons
the metal loses electrons while the nonmetal gains electrons
the electrons are shared
What is true about metallic bonds? (choose all that apply)
occurs between metals
electrons are shared in a pool
occurs between nonmetals
occurs between a metal and a nonmetal
Which is NOT a property of covalent compounds?
dull appearance
poor conductors of thermal energy and electricity
high boiling and melting points
low melting and boiling points
Which is NOT a property of metallic compounds?
high melting and boiling points
usually solids at room temperature
good conductors of thermal energy and electricity
dissolves in water
