Biology Chapter 2 Lessons 1 and 2 Vocabulary Quiz

These are known as atoms of the same element that contain different numbers of neutrons.

• ions

• isotopes

• compounds

• molecules

This is known as the center of the atom and contains protons and neutrons.

• nucleus

• electron

• molecule

• compound

Tags

NGSS.HS-PS1-8

This is a substance that is pure and contains only one kind of atom.

• compound

• isotope

• nucleus

• element

This is a negatively charged particle of an atom.

• proton

• neutron

• electron

• element

This is the basic unit or building block of all matter.

• element

• compound

• atom

• ionic bond

Tags

NGSS.HS-PS1-7

These are known as positively and negatively charged atoms.

• compounds

• elements

• covalent bonds

• ions

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NGSS.HS-PS1-3

This formed when electrons (one or more), are transferred from one atom to another.

• covalent bond

• ionic bond

• isotope

• nucleus

This occurs when atoms share one or more electron from each atom.

• covalent bonds

• ionic bonds

• isotopes

• nuclei

This is created when a substance is formed as two or more elements chemically combine in definite proportions.

• ion

• isotope

• compound

• atom

This is formed when two or more atoms are joined together. It is also the smallest unit of a compound.

• isotope

• molecule

• nucleus

• electron

Tags

NGSS.HS-LS1-6