2W: CHM: ATOMIC STRUCTURES

What is true about all of the atoms of a single element?

• They have the same number of protons.

• They have the same number of protons, neutrons, and electrons.

• They have the same number of protons and neutrons.

• They have the same number of neutrons.

An element is defined by the number of:

• Electrons

• Protons

• Ions

• Neutrons

• Chemical Bonds

If you create a mixture by putting two substances together, what kind of bonding occurs?

• Covalent bonding

• Compound bonding

• Ionic bonding

• None of the answers are correct

Which of the following are NOT found in the atomic nucleus?

• electrons

• Nuclear Force

• Neutrons

• Protons

If you know the atomic number and the atomic mass of an atom then you should be able to figure out...

• the number of neutrons

• the name of the element

• the number of protons

• all of these

Beryllium has an atomic number of 4 and an atomic mass of 9. What can we conclude from this?

• There are 4 protons

• There are 5 neutrons

• A neutral beryllium atom will have 4 electrons

• All of these

Nitrogen has an atomic number of 7 and it has 7 neutrons. What is the atomic mass of nitrogen?

• 14

• 0

• 21

• Not enough information has been provided

Titanium has 22 electrons and 26 neutrons. What can we conclude about Titanium?

• There are 22 protons.

• The atomic mass is 48.

• It has an atomic number of 22.

• all of these

Which of the following is NOT a subatomic particle found inside the atom?

• Electrons

• Protons

• Ions

• Neutrons

What kind of substances tend to form covalent bonds?

• Two metals bonding together

• None of the answers are correct.

• Metals bonding with nonmetals

• Two nonmetals bonding together