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WorksheetsChemistry Unit 1 Review 2
Total questions: 14
Worksheet time: 31mins
Protons have a ___________ charge, and a mass of ________.
positive, 1amu
negative, 1amu
positive, 0.005 amu
neutral, 1 amu
negative, 0.005 amu
Electrons have a ___________ charge, and a mass of ________.
positive, 1amu
negative, 1amu
positive, 0.005 amu
neutral, 1 amu
negative, 0.005 amu
Neutrons have a ___________ charge, and a mass of ________.
positive, 1amu
negative, 1amu
positive, 0.005 amu
neutral, 1 amu
negative, 0.005 amu
What did Rutherford discover with his Gold Foil Experiment?
Atom
Electron
Nucleus
Alpha particle
What did JJ Thomson discover with his Cathode Ray Tube Experiment?
Atom
Electron
Nucleus
Alpha particle
Which has a greater mass?
Liquid A
Liquid B
Liquid C
Liquid D
Which has a greater density?
Liquid A
Liquid B
Liquid C
Liquid D
If you have 25.0 grams of copper, what is the volume of the sample?
9.0 mL
2.7 mL
5.4 mL
0.36 mL
Which symbols represent different isotopes of the same element?
Fe-56 and F-52
Cl-36 and Cl-36
Na– 22 and Ra – 22
Ca-40 and Ca-42
One of the isotopes of tin can be symbolized as 120Sn4+ . How many neutrons and electrons are there in this isotope?
a. 120 neutrons ; 4 electrons
b. 70 neutrons ; 54 electrons
c. 70 neutrons ; 46 electrons
d. 50 neutrons ; 4 electrons
What is the isotopic notation for a particle containing 25 protons, 26 electrons, and 34 neutrons?
Element:_______ Mass: ___________ Atomic #:_________ Charge: ___________
Which atom contains exactly 35 neutrons?
A Mn – 55
B Br -– 35
C Cu – 64
D Cl – 35
E Br – 80
Calculate the mass, in grams, of 4.00 moles of Oxygen.
48 grams O
64 grams O
4 grams O
22 grams O
Calculate the number of moles in 53 grams of Silicon?
1.89 moles Si
2.2 moles Si
125 moles Si
1,696 moles Si
