WorksheetsCA #3 Test Review
Total questions: 31
Worksheet time: 7hrs 49mins
Which type of decay is least penetrating, therefore it can be blocked by a piece of paper?
alpha
beta
gamma
neutron
Fill in the blank for the missing particle in this beta decay reaction:
Fill in the blank for the missing particle in this fission chain reaction:
Fill in the blank with the missing particle for this fusion reaction:
Which equation represents a fission reaction?
A gamma ray will have ______________ energy compared to visible light.
less
more
the same
none of the above
Compared to the wavelength of visible light, infrared rays are __________
longer.
shorter.
the same.
none of the above.
The average atomic mass of Silicon (Si) is 28.086 amu. Which isotope of Silicon is most abundant?
Si-27
Si-28
Si-29
Si-30
A sample of element X and its isotopes are shown below. Calculate its average atomic mass.
37.2 amu
35.2 amu
37.0 amu
35.0 amu
A new element, Bananium (Bn), has been discovered with 2 isotopes. One has a mass of 46.98 amu and is 83.7% abundant. The other has a mass of 49.97 amu and is 16.3% abundant. What is its atomic mass?
47.5 amu
39.3 amu
50.0 amu
48.5 amu
How are the wavelength and frequency of electromagnetic radiation related?
Inversely proportional
Indirect relationship
Direct relationship
No relation
Put the following elements in order of increasing atomic radius (smallest to largest):Cl, Fr, Cs, F
Cl, Fr, Cs, F
F, Cl, Cs, Fr
Fr, Cs, Cl, F
F, Cs, Cl, Fr
Which of the following elements is most electronegative? He, Fr, F, H
He
Fr
F
H
The properties of Ca are most similar to?
Rb
K
Sc
Sr
The least amount of elements on the periodic table are
Metalloids
Nonmetals
Metals
Transition Metals
The element found in group 17 (7A) and period 4 is
Rf
Br
Mn
I
Alkali metals and Noble gases are found in which groups?
1 and 2 (1A and 2A)
2 and 8 (2A and 8B)
1 and 18 (1A and 8A)
2 and 18 (2A and 8A)
Which of the following has the lowest ionization energy?
P
Br
Ba
F
On the periodic table, which elements typically have similar properties?
Those in the same row or period
Those related diagonally
Those on opposite sides
Those in the same family or group
Which element is an alkaline earth metal?
Be
B
Sc
Li
Frequency and energy have a direct relationship that means that when frequency increases, energy ________
Decreases
Increases
Stays the same
No relation
Magnesium has three naturally occurring isotopes: Magnesium-24, Magnesium-25 and Magnesium-26. The atomic mass of Magnesium is 24.305 amu. Which statement is correct?
Magnesium-24 is most abundant
Magnesium-25 is most abundant
Magnesium-26 is most abundant
All the isotopes have the same abundance
Which type of nuclear radiation is being emitted here?
alpha
beta
gamma
none
How is the alpha particle written in a nuclear equation?
42He
24He
0-1e
00γ
How is the beta particle written in a nuclear equation?
42He
10n
0-1e
00γ
How is the gamma ray written in a nuclear equation?
42He
0+1e
0-1e
00γ
Which picture represents a fusion reaction?
During a nuclear reaction matter can sometimes be converted into
elements
matter
charge
energy
Who arranged the known elements into horizontal rows of increasing atomic mass leaving gaps for as yet undiscovered elements?
Mendeleev
Curie
Einstein
Moseley
Why were there blank spaces left in Mendeleev's periodic table?
He didn't know what to put there.
Undiscovered elements not yet known, like the noble gases
Multiple elements could have fit, like the noble gases
He forgot to add the elements in, like the noble gases
