11-20 Flashcards
(19 cards)
0
Q
12– the positively charged particle found in the nucleus of an atom.
A
- Proton
1
Q
- the basic unit of matter.
A
- Atom
2
Q
- the particle with no charge found in the nucleus of an atom
A
- Neutron
3
Q
- the negatively charged particle found outside the nucleus of an atom.
A
- Electron
4
Q
- A pure substance that consists entirely of one type of atom
A
- Element
5
Q
- A group of atoms bonded together forming the smallest fundamental
A
- Molecule -
6
Q
- – atoms of the same element with different numbers of neutrons.
A
- Isotopes –
7
Q
- an attraction between two or more atoms resulting in the
A
- Chemical Bonding
8
Q
- changes in chemical substances involving bond breaking
and/or bond forming resulting in different chemical substances
- changes in chemical substances involving bond breaking
A
- Chemical reaction
9
Q
- – a positively or negatively charged atom.
A
- Ion
10
Q
- – formed when one or more electrons are transferred from one atom to
another.
A
- Ionic Bond
11
Q
- – forms when electrons are shared between atoms.
A
- Covalent Bond
12
Q
- the electrons in the outer shell or energy level that are available
A
- Valence Electrons
13
Q
- the measure of acidity or alkalinity of a solution.
A
- pH
14
Q
- a substance that dissolves in water to release a hydrogen ion. (H+)
A
- Acid
15
Q
26.- a substance that dissolves in water to release a hydroxide ion. (OH-)
A
- Base
16
Q
- (DNA) – the nucleic acid that contains all genetic
A
- Deoxyribonucleic Acid (DNA)
17
Q
- The shape of DNA that resembles a spiral staircase or a twisted
ladder.
- The shape of DNA that resembles a spiral staircase or a twisted
A
- Double Helix
18
Q
- The building block of living organisms that passes genetic
information from one generation to the next. (e.g. DNA)
- The building block of living organisms that passes genetic
A
- Nucleic Acid
