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WorksheetsElectron Configuration 9°
Total questions: 24
Worksheet time: 36mins
The second shell from the center of an atom can hold how many electrons?
2
6
8
18
Valence electrons are located...
inside the nucleus
in outer space
on the outermost orbit of an atom
10
2
8
18
14
4
3
28
Where is Calcium located on the periodic table?
Group 4A, period 2
Group 2A, period 4
Group 7A, period 2
Group 2A, period 7
Valence Electrons are the electrons located where?
The outer shell of an atom
The inner shell of an atom
The nucleus of an atom
In all of the shells of an atom
How many valence electrons are in the atom shown in the picture?
2
3
5
Why do all bonds form?
To fill up the outer shell.
To achieve the one or duplet electronic configuration
An atom with 1 valence electron 'needs' a full shell, so it can either gain 7 electrons or lose 1. Which is more likely to occur?
lose 1 electron
gain 7 electrons
What two types of atoms make a covalent bond?
metal atom and metal atom
metal atom and non metal non atom
non metal atom and non metal atom
When an atom loses an electron, it becomes a _________.
noble gas
anion
cation
Atoms are most stable when their outer shell is full or complete.
True
False
Atoms involved in a covalent bond are not charged, while atoms involved in an ionic bond are charged (negative or positive)
True
False
What part of an atom is involved in chemical bonding?
proton
neutron
electron
How many valence electrons does hydrogen have?
1
2
3
4
Low melting point and low solubility in water are general properties of ______________________ compounds
ionic
covalent
all
Where are the non-metals located on the periodic table?
all over
On the left side of the "staircase"
On the right side of the "staircase"
This refers to the tendency of atoms to prefer to have eight electrons in the valence shell
Octet rule
Valence electron
Electronegativity
Lewis symbol
