Biology Flash Cards

What is an atom?

• the smallest basic unit of matter

• Something that’s not important

Tags

NGSS.MS-PS1-1

NGSS.MS-PS1-5

What is an element?

• One particular type of atom that cannot be broken down into a simpler substance by ordinary chemical means

• a substance made of atoms

What is a compound?

• A substance made of atoms of different elements bonded together in a certain ratio

• Two protons put together

Tags

NGSS.MS-PS1-1

What is an ion?

• An atom that has gained or lost one or more electrons

• Two compounds that cancel each other out

What is an ionic bond ?

• A bond that forms through the electrical force between oppositely charged ions

• Two of the same charged ions bonding

Tags

NGSS.HS-PS1-3

What is a covalent bond?

• A bond that forms when atoms shair a pair of electrons

• When neutrons and electrons meet and form together

What is a molecule ?

• Two or more atoms held together by covalent bonds

• I don’t know another question

Tags

NGSS.MS-PS1-1