Atoms & Periodic Table 4/20-4/24

This subatomic particle always identifies the identity (name) of the element

• Neutron
• Electron
• Proton
• amu

The sum of the protons and neutrons in the nucleus of an atom

• Atomic Number
• Compound
• Electrons
• Mass Number (also called Atomic Mass)

Tags

NGSS.HS-PS1-8

The majority of elements are classified as ________ and are located on the left side/middle of the periodic table.

• Metals
• Noble Gases
• Nonmetals
• Metalloids

A "pure" substance that cannot be separated or broken down into simpler substances

• Compound
• Mixture
• Period
• Element

Tags

NGSS.MS-PS1-4

The atomic number of Beryllium is 4. Its mass number is 9.0122. How many neutrons does an atom of Beryllium have in its nucleus?

• 4

• 4.0122

• 5

• 6

Tags

NGSS.MS-PS1-1

The mass number of an element is the amount of _________ it has.

• protons

• protons and neutrons

• electrons

• neutrons

Tags

NGSS.MS-PS1-1

Which of the following subatomic particles is negatively charged?

• neutron

• proton

• electron

• megatron

Tags

NGSS.MS-PS1-1

Which particle does not have a charge?

• neutron

• proton

• electron

• megatron

Tags

NGSS.MS-PS1-1

Which particle has a positive charge?

• neutron

• electron

• proton

• megatron

Tags

NGSS.MS-PS1-1

An elements ________ number determines its identity.

• mass

• atomic

• nucleus

• symbol

Tags

NGSS.MS-PS1-1