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HChem Chapter 5/6 review 2020 Flashcards | StudBud
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HChem Chapter 5/6 review 2020
HChem Chapter 5/6 review 2020
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electron configurations, light and the periodic table
Flashcards
37 cards
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Questions
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Answers
1
Mass number is best defined as
the mass of an atom in grams.
the rounded atomic mass.
the numbers of protons plus neutrons.
the number of protons.
2
Who is considered to be the Father of the periodic table?
DeBroglie
Mendeleev
Heisenberg
Moseley
3
The color of light with the highest energy is
violet
blue
green
red
4
Wave particle duality theory is attributed to...
Heisenberg
Newton
Mendeleev
de Broglie
5
Which EMS wave has the largest wavelength?
X-rays
gamma
microwaves
radio
6
Which of the following is an alkali metal?
F
Xe
Ca
Na
7
Which element has the highest electronegativity?
Selenium Se
Gallium Ga
Potassium K
Krypton Kr
8
For which of these is there no predictable pattern on the periodic table?
solids, liquids, gases
atomic number
representative and transistional elements
metals, non metals, metalloids
9
The arrows in an electron configuration represent...
spin of electrons
number of isotopes
the level of the element
the shape of the orbitals
10
You cannot know the position and velocity of an e- at the same time. This is called
The law of conservation of energy
The wave particle duality theory
The electron cloud probability
Heisenberg's uncertainty principle
11
Name the element for [Kr]5s
2
, 4d
10
, 5p
3
krypton
bismuth
xenon
antimony
12
How light is produced is most closely related to which of the following?
atomic emissions spectrum
electromagnetic spectrum
Law of conservation of energy
wave particle duality theory
13
This would be the largest atom in group 6A.
selenium
sulfur
oxygen
polonium
14
Choose the current model of the atom.
Quantum mechanical model
Plum pudding model
Electron cloud model
Planetary model
15
How many valence electrons does the element that ends in 3p
4
have?
4
6
3
8
16
Pick the false statement.
Periodic means at a regular, repeated interval.
All EMS waves move at the speed of light.
The majority of the EMS is invisible.
Light is produced when electrons gain a quanta of energy.
17
Which of these does NOT describe a metal?
good conductor of heat
malleable
has luster
brittle
18
As frequency of EMS waves increases, wavelength...
depends on the type of wave
increases also
remains the same
decreases
19
Name the element in period 5, group 6A.
Sb
Po
Te
Se
20
This EMS wave has the lowest frequency.
X-rays
radio
microwaves
gamma
21
Which of the following has the highest ionization energy?
Br
Kr
K
Ca
22
Pick the physical change.
tearing
digesting
forming a precipitate
burning
23
Name the element that ends in 4f
6
.
samarium
osmium
plutonium
hassium
24
Organized the periodic table the way it is today.
Mendeleev
Einstein
Newlands
Moseley
25
Light is produced when...
when a quanta of energy is released
when e- fall back to ground state
when a quanta of energy is absorbed
an e- jumps to a higher energy level
26
Cookie batches are made with different amounts of baking soda. The independent variable is
the way the cookie turns out
the baking soda amounts
the fact that all the other ingredients are the same
the number of cookies made
27
Whose last term is 6s
2
?
Sr
Ra
Mg
Ba
28
Which of the following is a metalloid?
Iodine
Silicon
Phosphorus
Gallium
29
The letters s, p, d, f represent
size
electrons
spin
shape
30
Which of the following is NOT a gas?
nitrogen
oxygen
phosphorus
argon
31
Pick the solution.
soda pop
fruit salad
salt (NaCl)
bromine
32
Particles of light are called...
quanta
photons
spectra
protons
33
The distance from valley to valley (letter b in diagram) is called
frequency
spectrum
wavelength
amplitude
34
Which of the following is NOT a representative element?
potassium
selenium
bromine
iron
35
Isotopes have different numbers of
protons
photons
electrons
neutrons
36
d shaped orbitals are described as
flowers
clovers
dumbbells
spheres
37
What is the charge on Oxygen (8)?
+2
0
-1
-2
