What is an Atom?

• the smallest molecule in nature

• chemicals that bind together

• when something in the universe changes the way it looks

• the basic building block for all matter in the universe

Tags

NGSS.MS-PS1-1

What particles make up the atom?

• mass, volume, and density

• electrons, protons, and neutrons.

• ions, protons, and nucleus

• vitamins, minerals, and trace vitamins

Tags

NGSS.MS-PS1-1

In the center of the atom is the -

• proton

• neutrons

• nucleus

• electrons

What spins in orbit around the outside of the nucleus?

• electrons

• protons

• neutrons

• nucleus

Which particles are found in the nucleus of an atom?

• protons and electrons

• electrons and neutrons

• protons and nucleus

• neutrons and protons

The electron is a _________________charged particle that spins around the outside of the nucleus

• negatively

• positively

• neutral

• all of the above

The proton is a _________________________ charged particle that is located at the center of the atom in the nucleus.

• negatively

• positively

• neutral

• non of the above

The neutron is _______________________.

• negative

• positive

• neutral

• none of the above

The number of neutrons affects the ________________________ and the radioactivity of the atom.

• volume

• color

• mass

• density

Each different kind of atom makes up ___________________?

• a molecule

• an ionized particle

• an element

• all of the above

Tags

NGSS.MS-PS1-1