TCAP Review #1: Atomic Structure

TCAP Review #1: Atomic Structure

Multiple Choice

What happens to molecules when the temperature drops or lowers?

• The molecules get closer together

• The molecules start moving faster.

• The molecules stop moving.

• The molecules become smaller.

Multiple Choice

Particles (molecules) in a ______________________ have more energy than the other states of matter.

• gas

• solid

• liquid

Multiple Choice

Which statement correctly matches the subatomic particle with its charge?

• A proton has a negative charge

• An electron has a negative charge

• A neutron has a positive charge

• An electron has a positive charge

Multiple Choice

In the diagram shown above, the electrons are represented by the ___________ particles

• green

• red

• yellow

Multiple Choice

In the diagram shown above, the green particle represents the:

• Proton

• Electron

• Neutron

• Nucleus

Multiple Choice

What type of particles are found in the cloud surrounding the atom's nucleus?

• Neutral particles and positively charge particles

• Positive charge particles only

• Negatively charge particles and positively charge particles

• Negatively charge particles only

Multiple Choice

The nucleus of an atom contains which subatomic particles?

• protons and electrons

• protons and neutrons

• electrons and neutrons

• protons, electrons, and neutrons

Multiple Choice

How many neutrons are in Beryllium?

• 4

• 9

• 5

• 2

Multiple Choice

What is the atomic number?

• the number of protons

• the number of protons plus the number of neutrons

• the number of neutrons

• the number of protons plus the number of electrons

Multiple Choice

How many ELECTRONS are in an atom of Boron?

• 10.811

• 5

• 6

Multiple Choice

The ______________ is the number of protons + neutrons in the nucleus of an atom.

• atomic number

• net charge

• chemical symbol

• atomic mass

Multiple Choice

How many valence electrons does carbon have?

• 4

• 5

• 6

• 7

Multiple Choice

What is made up two or more elements that are chemically combined?

• Element

• Mixture

• Compound

• Solids