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Total questions: 118
Worksheet time: 2hrs 38mins
What period is Lead (Pb) in?
6
4
Metals
4A
What Element is in period 4, group 5A?
Antimony
Arsenic
Tin
Germanium
Why are halogens so reactive?
They want to get rid of their only valance electron
They only need one more electron
They are non reactive, they have a full shell
What are valence electrons?
Any of an atom's electrons
Electrons located on the first energy level
Electrons not attached to any atom
electrons located on the outer energy level
Which color on the image of the periodic table corresponds with the noble gases.
red
black
blue
orange
Is the ability of matter to combine chemically with other substances.
Reactivity
Proton
Subatomic Partices
Electrons
Refers to anything smaller than an atom. Examples: Electrons, protons and neutrons.
Electron cloud
Element
Subatomic Particles
Protons
Which of the following determines the identity of an element?
number of protons
atomic mass
number of neutrons
number of shells
How many valence electrons in Flourine (F)?
3
6
7
8
The smallest particle of an element or matter
Proton
Atom
Electron
Electron Cloud
The central part of an atom that is made up of neutrons and protons
Protons
Neutrons
Nucleus
Reactivity
The region around the nucleus where the electrons may be found.
Electron Cloud
Reactivity
Neutron
Atom
Electron in the outermost energy level of an atom.
Valence Electrons
Protons
Neutrons
Reactivity
Positivley charged particle located in the nucleus of an atom.
Electrons
Protons
Neutrons
Subatomic Particles
Negatively charged particle found outside the nucleus of an atom
Electrons
Protons
Neutrons
Electron Cloud
A subatomic particle of about the same mass as a proton but has no (zero/neutral) electric charge.
Neutron
Proton
Electron
Electron Cloud
This particle determines an elements' identity (what its called).
electron
proton
neutron
valence shell
What are the maximum number of electrons that go on the first 3 energy levels?
2,4,16
2,8,8
4,8,12
3,4,6
Elements on the periodic table increase by...
atomic mass
size
mass number
atomic number
An atom that loses or gains an electron is called an
compound.
ion.
element.
quark.
What is the chemical symbol for sodium?
Na
So
NaCl
S
To calculate the number of subatomic particles in an atom we use _____________.
SCHNOPS
MAN APE
APE MAN
ROY G BIV
How many valence electrons does Oxygen have?
8
16
33
6
Organic substances have this element
O
C
Al
F
How many neutron are in the atom "K"?
7
2
39
20
What is the mass number of "F"
9
10
17
19
What is the mass number of the atom pictured?
11
12
22
23
What is the atomic mass of the atom pictured?
10
18
18.9984
19
