8th grade science milestone review

Front

____________ is anything that has mass and takes up space.

Back

matter

Tags

NGSS.MS-PS1-1

NGSS.MS-PS1-4

Front

All matter is composed of __________.

Back

atoms

Tags

NGSS.MS-PS1-1

Front

What are the smallest unit of matter that retains the identity of the substance?

Back

atoms

Tags

NGSS.MS-PS1-1

Front

The nucleus of the atom has the ___________ and ___________ in it.

Back

protons and neutrons

Tags

NGSS.MS-PS1-1

Front

A proton has a ___________ charge.

Back

positive

Tags

NGSS.MS-PS1-1

Front

An electron has a ___________ charge.

Back

negative

Tags

NGSS.MS-PS1-1

Front

The table shows the number of neutrons, protons, and electrons for two atoms. How are the two atoms alike?

Back

They have the same mass number.

Tags

NGSS.MS-PS1-1

Front

How many protons are present in a neon atom's nucleus?

Back

10

Tags

NGSS.MS-PS1-1

Front

Elements with seven valence electrons —

Back

are highly reactive

Front

Physical characteristic of sulfur (a nonmetal) likely to describe a sample: shiny appearance, brittleness, malleability, ductility.

Back

brittleness