Atoms - Biology

The central part of the atom is called the

• Proton

• Neutron

• Nucleus

• Mass

Electrons are found _________________ the nucleus.

• Nucleus

• proton

• outside

• inside

Tags

NGSS.MS-PS1-1

The Proton and the __________ have the same mass.

• nucleus

• neutron

• inside

• electron

The __________ _________ of an element is the average mass of an element's atoms.

• Atomic Mass

• mass

• Nucleus

• Mass Number

Atoms are building blocks of ___________________

• element

• Matter

• atoms

• electron

Tags

NGSS.MS-PS1-1

NGSS.MS-PS1-5

An ________________is matter that is made up of only one type of atom

• Nucleus

• Element

• positive

• electron

Atoms are most stable when they have eight electron in their _______.

• Chemical

• Hydrogen Bond

• Valence Shell

• element

Water is an example of a compound held together by ______________bonds.

• Element

• Ions

• positive

• Chemical

Neutrons have ________________and are also measured at 1 amu.

• No Charge

• positive

• negative

• neutral

Protons have a ____________ charge and a mass of 1 amu.

• Negative

• Positive

• Neutral

• negative