2.3 & 2.4

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

• Protons and Electrons
• Protons and Neutrons
• Neutrons and Electrons
• Protons, Neutrons and Electrons

Tags

NGSS.MS-PS1-1

What electrical charge does a proton have?

• +1
• 0
• -1
• +2

The total number of protons and neutrons in an atom is called the...

• Atomic number

• Proton number

• Nucleon number

• Weight number

How many protons does an aluminum atom have?

• 27

• 14

• 40

• 13

How many electrons does a sodium atom have? [Use the periodic table that teacher give you]

• 23

• 11

• 12

• 34

Complete the missing label on the diagram.

• Neutron
• Centre
• Nucleus
• Sub atomic particle

Tags

NGSS.MS-PS1-1

What is the correct number of subatomic particles of a phosphorous atom with a nucleon number of 31 and proton number 15?

• p# - 15, n# = 15, e# = 15

• p# - 15, n# = 16, e# = 15

• p# - 15, n# = 15, e# = 16

• p# - 16, n# = 15, e# = 15

What is the mass number of a nickel atom with 28 protons, 31 neutrons, and 28 electrons?

Mass number = nucleon number

• 31

• 28

• 59

• 87

Subatomic particles with a positive charge

• neutrons
• atomic mass
• protons
• isotopes

Tags

NGSS.HS-PS1-8

These are found in the nucleus and have a neutral charge.

• proton

• electron

• neutron

Tags

NGSS.HS-PS1-8