HOMEWORK 8/09/24

The purpose of the zig-zag line is

• To separate solids and liquids and gases

• To separate metals, nonmetals and metalloids

• To separate the lanthanide and actinides

• There is no real purpose

What makes up the mass of the atom?

• electrons

• electrons and protons

• neutrons

• neutrons and protons

The positively charged subatomic particle in the atom is what?

• proton

• electron

• neutron

• nucleus

The negatively charged subatomic particle is called what?

• proton

• electron

• neutron

• nucleus

Tags

NGSS.MS-PS2-3

The blue particle in the center with a PLUS on it is called?

• proton

• electron

• neutron

• nucleus

Tags

NGSS.MS-PS1-1

The subatomic particle that has a neutral charge is called what?

• proton

• electron

• neutron

• nucleus

What takes up the most space in the atom?

• proton

• electron cloud

• nucleus

• neutron

The green particle with the negative sign is called what?

• proton

• electron

• neutron

• nucleus

Tags

NGSS.MS-PS1-1

The red particle in the middle would be called what?

• proton

• electron

• neutron

• nucleus

Tags

NGSS.MS-PS1-1

A positive charge and another positive charge come in contact. What will happen between them?

• attract

• repel

Tags

NGSS.MS-PS2-3