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WorksheetsChem Fall Common Final 2020 Hoover
Total questions: 20
Worksheet time: 19mins
Who was the man that first suggested the idea of the atom?
Atomos
Dalton
Thomson
Democritus
How many protons, electrons and neutrons are in S? Sulfur's Mass Number is 32
16, 16, 32
32, 16, 16
16, 32, 16
16, 16, 16
The nucleus of an atom is
the central core and is composed of protons and neutrons
positively charged and has more protons than neutrons
negatively charted and has a high density
negatively charged and has a low density
The atomic number of an element is the total number of which particles in the nucleus?
neutrons
protons
electrons
protons and electrons
If E is the symbol for an element, which two of the following symbols represent isotopes of the same element?
1 and 2
3 and 4
1 and 4
2 and 3
In Bohr's model of the atom, where are the electrons and protons located?
the electrons move around the protons, which are at the center of the atom
the electrons and protons move throughout the atom
the electrons occupy fixed positions around the protons, which are at the center of the atom
the electrons and protons are located throughout the atom, but they are not free to move.
When an electron moves from lower energy to higher energy and then back again...
light is produced, also known as a photon.
nothing happens
it absorbs energy
protons are lost.
What is the electron configuration or noble gas configuration for Bromine?
1s2
[Ar]4s23d104p5
1s22s22p6
[Ar]
Of the elements Pt, V, Li, and Kr, which is a nonmetal?
Pt
Li
V
Kr
A piece of metal is heated, then submerged in cool water. Which statement below describes what happens?
the temperature of the metal will increase
the temperature of the water will increase
the temperature of the water will decrease
the temperature of the water will increase and the temperature of the metal will decrease.
If heat is released by a chemical system, an equal amount of heat will be
absorbed by the surroundings
released by the surroundings
absorbed by the universe
released by the universe
How many joules are in 148 calories? (1cal = 4.18J)
6.61 J
35.4 J
148 J
619 J
What is the amount of heat required to raise the temperature of 200.0g of aluminum by 10oC? The specific heat of aluminum is 0.21 cal/goC
420 cal
4200 cal
42,000 cal
420,000 cal
The amount of heat transferred from an object depends on which of the following?
the specific heat of the object
the initial temperature of the object
the mass of the object
all of the above.
Group 1 of the Period Table is called
Alkaline Earth Metals
Alkali Metals
Transition Metals
Halogens
Group 2 is called
Alkaline Earth Metals
Alkali Metals
Transition Metals
Halogens
Group 17 or 7A is called
Alkaline Earth Metals
Alkali Metals
Noble Gases
Halogens
Groups 3 - 12 are called
Alkaline Earth Metals
Inner Transition Metals
Halogens
Transition Metals
Group 18 or 8A is called
Halogens
Noble Gases
Transitions Metals
Inner Transitions Metals
The bottom two rows of the periodic table are called
Noble Gases
Halogens
Inner Transition Metals
Transition Metals
