Atoms and The Periodic Table

Front

What is the maximum number of electrons that the first energy level can hold?

Back

2

Front

What do we call a substance made up of only one type of atom?

Back

Element

Front

What is the mass of a proton?

Back

1 amu

Front

In an element square, which number represents the atomic number?

Back

The atomic number is represented by the number before the element symbol.

Front

Which particle has a mass similar to that of a proton?

Back

Neutron

Front

What is an atom?

Back

The smallest unit of an element that retains the properties of that element.

Tags

NGSS.MS-PS1-1

NGSS.MS-PS1-5

Front

What is the periodic table?

Back

A chart that organizes all known elements by their atomic number and properties.

Front

What is an element?

Back

A pure substance that cannot be broken down into simpler substances.

Front

What is a compound?

Back

A substance formed when two or more elements chemically bond together.

Tags

NGSS.MS-PS1-1

Front

What is the atomic number of an element?

Back

The number of protons in the nucleus of an atom.