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Flashcards in Vocabulary Deck (11):
1

Atom

Basic unit of matter

2

Nucleus

The center of the atom, which contains the protons and neutrons.

3

Electron

Negatively charged particle.

4

Element

Substance consisting entirely of one type of atom

5

Isotope

Atom of an element that has a number of neutrons different from that of other atoms of the same element

6

Compound

Substance formed by the chemical combination of two or more elements

7

Ionic bond

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

8

Ion

Atom that has a positive or negative change

9

Covalent bond

Bond formed

10

Molecule

Smallest unit of most compounds

11

Van der Waals forces

A slight attraction that develops between the oppositely charged regions of nearby molecules