Lesson 1 Final Review

Which number represents the atomic number of this element?

• 12.011
• 6
• 3
• 12

Which number represents the atomic mass of this element?

• 12.011
• 6
• 3
• C

The "C" on this element square is called the...

• atomic number

• atomic mass

• element name

• symbol

The atomic number is also equal to the number of .....

• protons & neutrons
• neutrons & electrons
• protons & electrons
• all of the subatomic particles

To find the number of neutrons in an atom you have to ....

• Add the protons and electrons
• Subtract the atomic number from the atomic mass
• Subtract the electrons from the protons
• Add the atomic number to the atomic mass

Which subatomic particles are located in the electron cloud?

• protons

• neutrons

• electrons

• nucleus

Which subatomic particles are located in the nucleus of an atom?

• electrons and neutrons

• protons and electrons

• electrons and protons

• protons and neutrons

What is the smallest unit of all matter?

• atom
• cell

What is located in the center of an atom?

• electron cloud
• valence electrons
• empty space
• nucleus

Tags

NGSS.MS-PS1-1

A positively charged particle that is found in the nucleus of an atom is called a ....

• neutron
• electron
• protron

Tags

NGSS.MS-PS1-1