chapter 2-1 Flashcards

(34 cards)

1
Q

brain of the cell, the center

A

nucleus

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

negative charge, same number as the protons, floats around the nucleus

A

electron

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

pure substance that consists of 1 type of atom

A

element

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

elements that have different number of neutrons

A

isotope

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

2 or more elements that combine together to make a chemical compound– H2O, CO2

A

compound

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

TRANSFER one atom to another

A

iconic bond

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

atoms are being SHARED

A

covalent bond

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

the positive and negative charge atoms– when an element loses an electron and another gains an electron, thats how they’re formed

A

ion

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

the smallest unit of most compounds

A

molecule

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

when molecules are close together, a slight attraction can develop between the regions of the molecules

A

van der waals forces

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

protons

A

positive charge

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

neutrons

A

neutral charge

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

electrons

A

negative charge

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

study of chemistry begins with the basic unit of matter. the greek word ‘atomas’ which means unable to be cut

A

atoms

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

H

A

1
Hydrogen
1

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

He

17
Q

Li

18
Q

Be

19
Q

B

20
Q

C

21
Q

n

22
Q

o

23
Q

f

24
Q

ne

25
na
11 sodium 23
26
mg
12 magnesium 24
27
al
13 aluminum 27
28
si
14 silicon 28
29
p
15 phosphorus 31
30
s
16 sulfur 32
31
cl
17 chlorine 35
32
ar
18 argon 40
33
k
19 potassium 39
34
ca
20 calcium 40