Unit 1 (Part 2) Flashcards
1
Q
Matter
A
Anything that takes up space and has mass.
2
Q
Element
A
Substance that can not be broken down into other substances.
3
Q
Atom
A
The smallest unit of an element that retains the element’s properties.
4
Q
Subatomic particles
A
Protons (positive), Electrons (negative), Neutrons (neutral).
5
Q
Isotope
A
A form of an element having a different number of neutrons.
6
Q
Molecules
A
Two or more atoms held together by chemical bond.
7
Q
Ionic bonds
A
Atoms lose or gain electron
8
Q
Covalant bonds
A
Sharing of electrons by two atoms.
9
Q
Cation
A
Has a positive charge.
10
Q
Anion
A
Ion with negative charge
11
Q
Nonpolar covalant
A
Electrons shared equally.
12
Q
Polar covalant
A
Electrons share unequally.
13
Q
Electronegativity
A
Attraction of an atom for the electron of a chemical bond.
