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Periodic Table
Ionization energy is...
Why are alkali metals so reactive?
Periodic Table
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1
Why are alkali metals so reactive?
They only need exactly one more electron to have a full outer shell
They have hydrophobic properties
They have a full outer shell
They have exactly one electron on their outer shell
2
Ionization energy is...
the energy released when an atom receives an e-
the energy required to remove an e- from a ground state atom
something I will never have to know for my major 😂
the energy gained by an atom when it receives an e-
3
If a balanced atom loses an electron, it is called...
An anion
A full valence shell
An ion
A cation
4
What is Avagadros Number?
6.02x10^24
6.01x10^23
6.02x10^23
6.01x10^24
5
To which block do the actinide elements belong?
s block
p block
f block
d block
6
Electron Affinity Is…
The amount of electrons in an atom
The amount of energy required to add a proton to an atom
The amount of energy required to remove an electron from an atom
The amount of energy required to add an electron to an atom
7
where are Alkali metals
group 3
in the outer most ring
group 2
group 1
8
What is the Atomic Mass of Aluminum?
26
14
26.982
13
9
how can you find the valence electrons???
the symbol
mass #
the atomic number
The group number
10
Which block is copper (29) in?
f-block
p-block
s-block
d-block
11
Using the periodic table how many protons does this Arsenic 33 have have?
33
42
74.92
75
12
My favorite class is:
English
Chemistry
History
Lunch
13
What is the atomic number of this atom?
13
5
4
9
14
Why are elements reactive
They want to become like Hydrogen
They want to get bigger
They want to be like a noble gas
None of the Above
15
Anions are...
Negative
Positive
Onions.
Juan.
16
How many electons does Nitrogen (7) have?
14
14.01
7
None of the above
17
Which block is He a part of?
S
P
D
F
18
What has the same number of protons and different number of neutrons?
Ion
Molecule
Isotope
none of these
19
Which has the smaller ionization energy?
F
Li
20
What is the SPDF notation for Silicon?
1s2 2s2 2p6 3s2 3p1
1s2 2s3 2p6 3s2 3p2
1s2 2s2 2p6 3s2 3f4
1s2 2s2 2p6 3s2 3p2
21
As the atomic numbers of the halogens increase, they
become less reactive
show no change in reactivity
become more reactive
increase and then decrease in reactivity
22
Metals are found on the
in the middle of the periodic table
on the right of the periodic table
on the edges of the periodic table
left of the periodic table
23
.... ___________ ions. (Slide 7)
NEGATIVE
NEUTRAL
do what??????????................
POSITIVE
24
What is the molar mass of oxygen (8)?
16 grams
6 g/mol
16 g/mol
8 g/mol
25
What are valence electrons?
Electrons that do not bond
Electrons that are closest to the nucleus
The electrons located in the outermost shell
The smallest electrons
26
Which block is uranium (92) in?
f-block
d-block
p-block
s-block
27
Which of the following is a Nobel gas?
Chlorine (Cl)
Hydrogen (H)
Argon (Ar)
Carbon (C)
28
What is the electron configuration for Cu2+ ion (29) using spdf notation?
1s2, 2s2, 2p6, 3s2, 3p6, 3d9, 4s1
1s2, 2s2, 2p6, 3s2, 3p6, 3d9
1s2, 2s2, 2p6, 3s2, 3p6, 3d10
1s2,2s2, 2p6, 3s2, 3p6, 3d10,4s1
29
Which of these has similar properties to magnesium?
Al
Na
Ca
Mn
30
Number of valence electrons for P (15)
2
5
3
4
31
All of the halogens are very ____
Isotopic
Reactive
Atomic
Special
32
D-block elements are also called...
Transition Metals
Metalloids
Alkali Metals
Bizarre Metals
33
Which has the lowest electron affinity?
Fr
Rb
Na
H
34
Write Nickel (28) using the Nobel Gas Shortcut.
[Kr] 4s2 3d8
[Mn] 3d8
[Ar] 4s2 3d8
[Ne] 3s2 3p6 4s2 3d8
35
What is the number of neutrons in Scandium (21)?
45.96
24
21
45
