7R 2024 Midterm Review

The periodic table can be sorted into two major sections:

• metals and metalloids

• metalloids and nonmetals

• metals and nonmetals

• gasses and solids

Carbon dioxide (CO2) is an example of a:

• mixture

• compound

• solution

• element

Tags

NGSS.MS-PS1-1

Hydrogen is an example of a:

• mixture

• compound

• solution

• element

The periodic table is organized by:

• atomic mass

• atomic number

• number of electrons

• number of neutrons

What element has 4 protons?

• Hydrogen (H)

• Boron (B)

• Carbon (C)

• Beryllium (Be)

Tags

NGSS.MS-PS1-1

How many protons in Helium?

• 2

• 4

• 4.002602

• 6

Tags

NGSS.MS-PS1-1

What is the atomic mass of Helium?

• 2

• 4

• 0

• 6

Tags

NGSS.MS-PS1-1

What is represented by A?

• Proton

• Neutron

• Electron

Tags

NGSS.MS-PS1-1

What is represented by B?

• Proton

• Neutron

• Electron

Tags

NGSS.MS-PS1-1

What two parts of an atom are found in the nucleus?

• Protons and Neutrons

• Protone and Electrons

• Electrons and Neutrons

• Protons, ONLY

Tags

NGSS.MS-PS1-1