Elements Flashcards
(50 cards)
1
Q
Hydrogen
A
H
2
Q
Helium
A
He
3
Q
Lithium
A
Li
4
Q
Boron
A
B
5
Q
Carbon
A
C
6
Q
Nitrogen
A
N
7
Q
Fluorine
A
F
7
Q
Oxygen
A
O
8
Q
Neon
A
Ne
9
Q
Sodium
A
Na
10
Q
Silicon
A
Si
10
Q
Magnesium
A
Mg
10
Q
Aluminum
A
Al
11
Q
Sulfur
A
S
11
Q
Phosphorus
A
P
12
Q
Chlorine
A
Cl
13
Q
Argon
A
Ar
14
Q
Potassium
A
K
15
Q
Calcium
A
Ca
16
Q
Fe
A
Iron
17
Q
Nickel
A
Ni
18
Q
Copper
A
Cu
19
Q
Zinc
A
Zn
20
Q
Tungsten
A
W
20
Silver
Ag
21
Tin
Sn
22
Iodine
I
23
Gold
Au
24
Mercury
Hg
25
Lead
Pb
26
Radon
Rn
27
Uranium
U
28
Protons AMU
1 amu
29
Neutrons amu
1 am
30
Electrons amu
1/1836 amu
31
How do atoms become ions
By gaining, losing, or sharing electrons in order to bond.
32
How do atoms become isotopes
By gaining or losing neutrons; making them lighter or heavier
33
1st energy level holds how many electrons
2 electrons
34
2nd energy level holds how many electrons
8 electrons
35
3rd energy level holds how many electrons
18 electrons
36
If an element has no charge it is?
Neutral
37
What's a Neutron
A subatomic particle that has no charge
38
What's a Proton
A subatomic particle that has a positive charge
39
Where electrons are found orbiting an atoms nucleus
Electron cloud
39
What's an electron
A subatomic particle that has a negative charge
40
A total mass of an atom when combining protons and neutrons
Atomic mass
41
The number on the periodic table that represents how many protons are in an element
Atomic number
42
The smallest unit of matter that consist of a nucleus combined of protons and neutrons which is surrounded by electrons
Atom
43
A unit of mass used to express the masses of atoms, molecules, and subatomic particles
Atomic mass unit
44
Anything that can take up space or be weighed is called
Matter
