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Worksheetsatom
Total questions: 56
Worksheet time: 1hrs 11mins
Valence electrons are the
outer most electrons in an atom
total electrons in an atom
The _____ the element is in determines the number of valence electrons it has.
period/row
group/column
This could be the dot diagram of
Mg
Cl
C
O
This is a correct dot diagram for nitrogen (N)
true
false
This is a correct dot diagram for neon (Ne)
true
false
This could be the dot diagram for...
He
Al
Be
Si
Which of these is correct?
USE THE PERIODIC TABLE
How many valence electrons does Phosphorus have?
31
5
15
4
How many valence electrons does Hydrogen have?
4
1
8
2
How many valence electrons should Magnesium have in its electron dot diagram?
1
2
3
4
How many valence electrons does potassium have?
19
6
39
1
How many valence electrons does Carbon have?
4
6
14
12
What is the "magic number" of valence electrons for atoms to be stable?
1
2
8
18
Neon is a noble gas because it is stable, nonreactive, and has ___ valence electrons.
1
8
10
4
What are valence electrons?
The total number of electrons in an atom
The number of electrons in the outermost shell
The number of electrons in the second shell
The number of protons in the outermost shell
How many valence electrons does carbon have?
4
5
6
7
USE THE PERIODIC TABLE
How many valence electrons does Phosphorus have?
31
5
15
4
This could be the dot diagram of
Mg
Cl
C
O
How many valence electrons does Germanium (Ge) have?
32
4
14
2
How many valence electrons does Selenium (Se) have?
6
16
79
34
Which of the following is a correct electron dot structure?
Which of the following is the correct electron dot structure for nitrogen?
What electron configuration matches an oxygen atom?
1s22s22p63s2, 3p64s23d104p5
1s22s22p4
1s22s22p6
1s22s22p63s23p64s23d1
Identify the Electron Configuration for Aluminum (Al)
1s2 2s2 2p6 3s2 3p1
1s2 2s2 2p6 3s2 3p3
1s2 2s2 2p6 3s2 4p1
What atom matches this electron configuration?
1s22s22p63s23p64s23d10
Zinc
Copper
Nickel
Germanium
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
Energy levels are denoted by:
letters
numbers
a combination of letters and numbers
subscripts
Each row on the periodic table represents:
an energy level
a sublevel
an electron
an orbital
name of the positively charged particle in an atom
(a)
name of the neutral particle in an atom
(a)
the collective name of proton and neutron
(a)
name of the center of an atom which contains protons and neutrons
(a)
name of the negatively charged particle in an atom
(a)
the number of protons and electrons in an atom are (a)
name of an layer of electrons in an atom
(a)
name of the outermost shell of an atom
(a)
name of the electrons in the valence cell
(a)
the maximum number of electrons in the first shell
(a)
maximum number of electrons in the second shell
(a)
maximum number of electrons in the third shell
(a)
relative mass of an electron
(a)
relative mass of a neutron
(a)
