Atoms, Elements, Molecules, and Compounds Vocabulary

Which subatomic particle moves rapidly around the nucleus of an atom?

• proton

• neutron

• electron

Scientists have arranged all elements into the periodic table. Which of the following is true about the periodic table?

• Elements are arranged according to the number of protons the element has.

• Each column of the periodic table has chemically similar elements

• Both

This is a type of matter that is made of a combination of different elements.

• compound

• element

• atom

Tags

NGSS.MS-PS1-1

Which of the following is an example of a compound?

• Hydrogen

• Oxygen

• Water

Tags

NGSS.MS-PS1-1

Which of the following is an example of an element?

• Salt

• Water

• Oxygen

What is a compound?

• A molecule that is formed from two different elements/atoms.

• A molecule that is formed from two or more of the same element/atom.

• A tiny atom that makes up an atom.

• The center of an atom that is formed by neutrons. protons, and electrons.

Tags

NGSS.MS-PS1-1

What is at the center of every atom?

• nuclear

• nucleus

• electron

• molecule

An electron of an atom...

• lives inside the nucleus and has a neutral charge.

• circles the nucleus and has a positive charge.

• lives inside the nucleus and has a negative charge.

• circles the nucleus and has a negative charge.

The number of _ determines the type of element an atom makes.

Which subatomic particle is found in the nucleus of an atom and has a positive charge?

• proton

• neutron

• electron

• molecule