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2021 Atoms and the Chemical Bonds joining them

Total questions: 15

Worksheet time: 8mins

Name
Class
Date
1.

This is the force that holds atoms together.

a)

Cation

b)

Chemical Bond

c)

Isotope

d)

Dihybrid cross

2.

Atoms with low or high numbers of valence electrons are often what?

a)

Molecules

b)

Unstable

c)

Metals

d)

Nobel Gasses

3.

This type of bond is formed when two atoms share valence electrons.

a)

Ionic

b)

Covalent

c)

Isometric

d)

Tectonic

4.

This type of bonding occurs primarily between nonmetals.

a)

Ionic

b)

Covalent

c)

Tectonic

d)

Plutonic

5.

Identify properties of covalent bonds from the following list:

a)

low melting points

b)

poor conductors of energy

c)

usually gasses at room temperature

d)

low melting points

6.

What is the only chemical element from this list that forms a DIATOMIC stable molecule at room temperature:

a)

Hydrogen

b)

Iodine

c)

Neon

d)

Xenon

7.

True or False: Double bonded molecules are less reactive than single bonded molecules.

a)

True

b)

False

8.

In this type of bonding, there is a complete transfer of valence electrons between atoms.

a)

Covalent

b)

Ionic

c)

Isotonic

d)

Compounding

9.

Ionic bonds require two things:

a)

an electron donor

b)

a polar molecule

c)

an electron acceptor

d)

a halogen

10.

This is the smallest part of a compound that has the properties of that compound:

a)

Atom

b)

Molecule

c)

Ion

d)

Isotope

11.

This is a molecule that has a partial positive end and a partial negative end because of unequal sharing of electrons:

a)

ionic molecule

b)

covalent molecule

c)

polar molecule

d)

compound

12.

This is a characteristic of a nonpolar molecule:

a)

dissolve in water

b)

both atoms pull evenly on each other

c)

explosive gas

d)

I've got nothing on this one

13.

Why are chemical compounds like recipes?

a)

if you change the ingredients, you get a different product

b)

No one can remember them without a cookbook

c)

They require heat to form

d)

They require strict measuring

14.

This is the best statement of what the Octet Rule is:

a)

Electrons are attracted to one another

b)

8 electrons are always found in the outermost shell

c)

losing or gaining electrons so that the outer shell now has 8 valence electrons

d)

Four plus four usually equals 8 electrons

15.

Ionic compounds usually have high (a)   .