Chemistry Review

Particles in an atom that are neutral and have no charge are 

• negatrons 
• electrons 
• neutrons 
• protons 

The smallest particle of any particular type of matter is known by which of the following terms?

• Compound
• Atom
• Chemical
• Element

Tags

NGSS.MS-PS1-1

If the number of protons equal the number of _____, the atom will have no charge

• protons
• neutrons
• electrons
• nucleus

Tags

NGSS.MS-PS1-1

The subatomic particle with a negative charge is the

• electron
• proton
• neutron
• nucleus 

What is the atomic number?

• the number of protons
• the number of protons and neutrons
• the number of neutrons
• the number of protons and electrons

What is the mass number?

• the number of protons
• the number of protons and neutrons
• the number of neutrons
• the number of protons and electrons

Tags

NGSS.HS-PS1-8

An atom with an unequal number of protons and electrons is said to have (a) ___.

• no charge
• balance
• charge
• unbalance

Tags

NGSS.MS-PS1-1

Ions are: 

• atoms with a positive or negative charge
• atoms with no charge
• atoms with ONLY a positive charge
• atoms with ONLY a negative charge

How many neutrons does the isotope of lithium have?

• 8
• 3
• 4
• 5

Tags

NGSS.MS-PS1-1

How many protons does this isotope of titanium have?

• 48
• 22
• 26
• 70

Tags

NGSS.MS-PS1-1