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C2T6c "
Metal Structure and Ionic Compounds
"
C2T6b "
Atomic Structure
"
Gap-fill worksheet question Quiz "The Periodic Table and Electronic Structure"
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15 2 2,7 2,8,1 2,8,7 2,8,8 3 5 7 8 9 alkali metals argon atomic chlorine electrons group halogens helium noble gases period phosphorus shell shells sodium
1a. Electrons are arranged around the nucleus in energy levels or
15
2
2,7
2,8,1
2,8,7
2,8,8
3
5
7
8
9
alkali metals
argon
atomic
chlorine
electrons
group
halogens
helium
noble gases
period
phosphorus
shell
shells
sodium
.
1b. The 1st shell can have a maximum of
15
2
2,7
2,8,1
2,8,7
2,8,8
3
5
7
8
9
alkali metals
argon
atomic
chlorine
electrons
group
halogens
helium
noble gases
period
phosphorus
shell
shells
sodium
electrons, the 2nd shell a maximum of
15
2
2,7
2,8,1
2,8,7
2,8,8
3
5
7
8
9
alkali metals
argon
atomic
chlorine
electrons
group
halogens
helium
noble gases
period
phosphorus
shell
shells
sodium
electrons and the 3rd shell a maximum of
15
2
2,7
2,8,1
2,8,7
2,8,8
3
5
7
8
9
alkali metals
argon
atomic
chlorine
electrons
group
halogens
helium
noble gases
period
phosphorus
shell
shells
sodium
electrons.
1c. The 19th and 20th electrons go in the 4th
15
2
2,7
2,8,1
2,8,7
2,8,8
3
5
7
8
9
alkali metals
argon
atomic
chlorine
electrons
group
halogens
helium
noble gases
period
phosphorus
shell
shells
sodium
.
1d. The electron arrangement, showing the number of
15
2
2,7
2,8,1
2,8,7
2,8,8
3
5
7
8
9
alkali metals
argon
atomic
chlorine
electrons
group
halogens
helium
noble gases
period
phosphorus
shell
shells
sodium
in each
15
2
2,7
2,8,1
2,8,7
2,8,8
3
5
7
8
9
alkali metals
argon
atomic
chlorine
electrons
group
halogens
helium
noble gases
period
phosphorus
shell
shells
sodium
can be written out in shorthand eg 2,8,6 for the 1st, 2nd and 3rd shells respectively.
2a. Apart from hydrogen and
15
2
2,7
2,8,1
2,8,7
2,8,8
3
5
7
8
9
alkali metals
argon
atomic
chlorine
electrons
group
halogens
helium
noble gases
period
phosphorus
shell
shells
sodium
in period 1 of the Periodic Table the last number in the arrangement is equal to the
15
2
2,7
2,8,1
2,8,7
2,8,8
3
5
7
8
9
alkali metals
argon
atomic
chlorine
electrons
group
halogens
helium
noble gases
period
phosphorus
shell
shells
sodium
number in the Periodic Table.
2b. The number of shells used containing electrons is equal to the
15
2
2,7
2,8,1
2,8,7
2,8,8
3
5
7
8
9
alkali metals
argon
atomic
chlorine
electrons
group
halogens
helium
noble gases
period
phosphorus
shell
shells
sodium
number.
2c. The number of electrons in an atom is equal to the
15
2
2,7
2,8,1
2,8,7
2,8,8
3
5
7
8
9
alkali metals
argon
atomic
chlorine
electrons
group
halogens
helium
noble gases
period
phosphorus
shell
shells
sodium
or proton number.
3a. The element
15
2
2,7
2,8,1
2,8,7
2,8,8
3
5
7
8
9
alkali metals
argon
atomic
chlorine
electrons
group
halogens
helium
noble gases
period
phosphorus
shell
shells
sodium
(P) has an atomic number of 15 so the atoms have
15
2
2,7
2,8,1
2,8,7
2,8,8
3
5
7
8
9
alkali metals
argon
atomic
chlorine
electrons
group
halogens
helium
noble gases
period
phosphorus
shell
shells
sodium
protons or 15
15
2
2,7
2,8,1
2,8,7
2,8,8
3
5
7
8
9
alkali metals
argon
atomic
chlorine
electrons
group
halogens
helium
noble gases
period
phosphorus
shell
shells
sodium
.
3b. The electron arrangement will be 2,8,5. (c) In the Periodic Table it will be a member of Group
15
2
2,7
2,8,1
2,8,7
2,8,8
3
5
7
8
9
alkali metals
argon
atomic
chlorine
electrons
group
halogens
helium
noble gases
period
phosphorus
shell
shells
sodium
and it will be the
15
2
2,7
2,8,1
2,8,7
2,8,8
3
5
7
8
9
alkali metals
argon
atomic
chlorine
electrons
group
halogens
helium
noble gases
period
phosphorus
shell
shells
sodium
th element along Period
15
2
2,7
2,8,1
2,8,7
2,8,8
3
5
7
8
9
alkali metals
argon
atomic
chlorine
electrons
group
halogens
helium
noble gases
period
phosphorus
shell
shells
sodium
.
4a. Fluorine has an atomic number of
15
2
2,7
2,8,1
2,8,7
2,8,8
3
5
7
8
9
alkali metals
argon
atomic
chlorine
electrons
group
halogens
helium
noble gases
period
phosphorus
shell
shells
sodium
so the atoms have 9 protons and electrons.
4b. Its electron arrangement is
15
2
2,7
2,8,1
2,8,7
2,8,8
3
5
7
8
9
alkali metals
argon
atomic
chlorine
electrons
group
halogens
helium
noble gases
period
phosphorus
shell
shells
sodium
and it belongs to Group
15
2
2,7
2,8,1
2,8,7
2,8,8
3
5
7
8
9
alkali metals
argon
atomic
chlorine
electrons
group
halogens
helium
noble gases
period
phosphorus
shell
shells
sodium
on Period
15
2
2,7
2,8,1
2,8,7
2,8,8
3
5
7
8
9
alkali metals
argon
atomic
chlorine
electrons
group
halogens
helium
noble gases
period
phosphorus
shell
shells
sodium
.
5a. A reactive metallic element with an electron configuration of
15
2
2,7
2,8,1
2,8,7
2,8,8
3
5
7
8
9
alkali metals
argon
atomic
chlorine
electrons
group
halogens
helium
noble gases
period
phosphorus
shell
shells
sodium
is likely to readily form a single positive ion and is a member of the
15
2
2,7
2,8,1
2,8,7
2,8,8
3
5
7
8
9
alkali metals
argon
atomic
chlorine
electrons
group
halogens
helium
noble gases
period
phosphorus
shell
shells
sodium
group of the periodic table and is the element
15
2
2,7
2,8,1
2,8,7
2,8,8
3
5
7
8
9
alkali metals
argon
atomic
chlorine
electrons
group
halogens
helium
noble gases
period
phosphorus
shell
shells
sodium
.
5b. The element
15
2
2,7
2,8,1
2,8,7
2,8,8
3
5
7
8
9
alkali metals
argon
atomic
chlorine
electrons
group
halogens
helium
noble gases
period
phosphorus
shell
shells
sodium
has an electron arrangement of
15
2
2,7
2,8,1
2,8,7
2,8,8
3
5
7
8
9
alkali metals
argon
atomic
chlorine
electrons
group
halogens
helium
noble gases
period
phosphorus
shell
shells
sodium
is chemically totally unreactive and belongs to the
15
2
2,7
2,8,1
2,8,7
2,8,8
3
5
7
8
9
alkali metals
argon
atomic
chlorine
electrons
group
halogens
helium
noble gases
period
phosphorus
shell
shells
sodium
group of the periodic table.
5c. Atoms of the reactive non-metal
15
2
2,7
2,8,1
2,8,7
2,8,8
3
5
7
8
9
alkali metals
argon
atomic
chlorine
electrons
group
halogens
helium
noble gases
period
phosphorus
shell
shells
sodium
have an electron configuration of
15
2
2,7
2,8,1
2,8,7
2,8,8
3
5
7
8
9
alkali metals
argon
atomic
chlorine
electrons
group
halogens
helium
noble gases
period
phosphorus
shell
shells
sodium
and readily gain an
15
2
2,7
2,8,1
2,8,7
2,8,8
3
5
7
8
9
alkali metals
argon
atomic
chlorine
electrons
group
halogens
helium
noble gases
period
phosphorus
shell
shells
sodium
to form an singly charged negative ion of electron. configuration
15
2
2,7
2,8,1
2,8,7
2,8,8
3
5
7
8
9
alkali metals
argon
atomic
chlorine
electrons
group
halogens
helium
noble gases
period
phosphorus
shell
shells
sodium
and belongs to the reactive group of non-metallic elements known as the
15
2
2,7
2,8,1
2,8,7
2,8,8
3
5
7
8
9
alkali metals
argon
atomic
chlorine
electrons
group
halogens
helium
noble gases
period
phosphorus
shell
shells
sodium
.
CHECK your answers (so far?)
<= back =
C2T6c "
Metal Structure and Ionic Compounds
"
C2T6b "
Atomic Structure
"