Biology Chapter 6.1 : Chemistry in Biology Vocab Flashcard

Front

What are subatomic particles with a neutral charge?

Back

Neutrons are subatomic particles with no charge.

Front

What is a molecule?

Back

A molecule is a compound whose atoms are held together by covalent bonds.

Front

What is an atom that has lost or gained an electron and is now charged called?

Back

An ion.

Front

What do you call atoms of the same element that have different numbers of neutrons?

Back

Isotopes.

Front

What is a proton?

Back

A proton is a positively charged particle in an atom's nucleus.

Front

What is the charge of a neutron?

Back

Neutrons have no charge.

Front

What type of bond holds the atoms in a molecule together?

Back

Covalent bonds.

Front

What is the difference between an ion and a neutral atom?

Back

An ion has lost or gained electrons and is charged, while a neutral atom has an equal number of protons and electrons.

Front

What are isotopes used for in biology?

Back

Isotopes can be used in dating fossils, tracing biochemical pathways, and medical imaging.

Front

What is the mass of a proton compared to a neutron?

Back

Protons and neutrons have approximately the same mass, but protons are slightly lighter.