2.1 Nature of Matter - chemistry intro

the basic unit of matter

• atom

• proton

• molecule

• cell

Tags

NGSS.MS-PS1-1

where protons & neutrons are located in an atom

• electron

• nucleus

• membrane

• energy levels

negatively charged subatomic particle; located in the space surrounding the nucleus

• cell

• neutron

• electron

• proton

a pure substance consisting of only one type of atom

• mixture

• compound

• proton

• element

one of various forms of an element; these atoms contain the same number of protons but a different number of neutrons

• element

• isotope

• ion

• atom

pure substance formed by the chemical combination of two or more elements in definite proportions

• compound

• mixture

• isotope

• ion

chemical bonds formed when one or more electrons are transferred from one atom to another

• ionic bond

• covalent bond

• metallic bond

• transferal bond

atom that has a positive or negative charge

• isotope

• element

• ion

• compound

type of bond formed between atoms in which the electrons are shared

• ionic bond

• hydrogen bond

• covalent bond

• van der Waals forces

Tags

NGSS.HS-PS1-1

the smallest unit of a compound that displays all the properties of that compound

• atom

• element

• compound

• molecule