WorksheetsYr 11 T1 L7 start quiz
Total questions: 12
Worksheet time: 19mins
Name
Class
Date
1.
What atom matches this electron configuration?
1s22s22p63s23p64s23d10
1s22s22p63s23p64s23d10
a)
Zinc
b)
Copper
c)
Nickel
d)
Germanium
2.
The electron configuration of an atom is 1s22s22p6. The number of electrons in the atom is
a)
3
b)
6
c)
8
d)
10
3.
How many valence electrons are represented here?
a)
7
b)
5
c)
2
d)
8
4.
How many electrons can the d sublevel(orbital) hold?
a)
8
b)
10
c)
2
d)
4
5.
Which elements usually form cations?
a)
non-metals
b)
metals
c)
any elements
d)
noble gases
6.
What is the charge of an atom that has gained one electron?
a)
-1
b)
-2
c)
+1
d)
+2
7.
Which electron configuration belongs to a Chloride (Cl-) ion?
a)
1s2 2s2 2p6 3s2 3p5
b)
1s2 2s2 2p6 3s2 3p6
c)
1s2 2s2 2p6 3s2 3p7
d)
1s2 2s2 2p6 3p7
8.
What is the state when electrons move to a higher energy level upon absorption of energy?
a)
active
b)
inactive
c)
excited
d)
ground
9.
Absorption of energy by an electron results in
a)
it moving from the ground to an excited state
b)
it moving from an excited to the ground state
c)
the emission of a photon
d)
it moving from an excited to the ground state and the emission of a photon
10.
How many protons does this isotope of titanium have?
a)
22
b)
26
c)
48
d)
70
11.
Which elements are in the unknown sample?
a)
A and B
b)
B and C
c)
A and D
d)
B and D
12.
The unknown emissions spectra belongs to the element
a)
Hydrogen
b)
Mercury
c)
Neon
d)
Sodium
100 %
