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WorksheetsUnit 2 Test Review
Total questions: 18
Worksheet time: 12mins
Which of the following periodic groups has the most valence electrons?
Group 2
Group1
Group 14
Group 11
Which of the following is the ground state electron configuration for Lithium?
1s22s22p1
1s22s22p5
1s22s2
1s22s1
What is true about the p orbital (Choose all that apply)
Higher energy level than s orbital
Holds 6 electrons
Lowest energy level
Contains 3 sublevels
Wavelength is inversely proportional to... (choose all that apply)
Frequency
Radiation
Energy
Photons
Which of the following is the correct shorthand electron configuration for Sodium? (Noble Gas Configuration)
[Ne]3s1
[Ar] 3s1
[He]3s1
[Na]3s1
Which of the following lists the visible light spectrum from lowest energy to highest energy?
blue, orange, green, yellow, red, violet
red, orange, yellow, green, blue, violet
yellow, violet, blue, red, green , orange
violet, blue, green, yellow, red
Frequency is directly proportional to...
Wavelength
Radiation
Photons
Energy
Which of the following is the correct electron configuration for Boron?
1s22s22p3
1s22s22p63s5
1s22s22p1
1s22s22p63s4
Which of the following were NOT part of Dalton's Atomic theory? (Choose all that apply)
Atoms can be divided
Elements combine in simple whole-number ratios
Elements are all identical in mass
Atoms are destroyed during chemical reactions
True or False: In a Neutral atom protons are balanced by an equal number of neutrons.
True
False
Which of the following is the most common isotope for the element Helium?
Helium-1
Helium-4
Helium-5
Helium-2
True or False: Mass number is the total number of protons and neutrons in an atom?
True
False
Thomson discovered the...
Proton
Neutron
Orbit
Electron
Rutherford discovered the...
Electrons in the electron cloud
Negatively charged neutrons in the nucleus
Positively charged protons in the nucleus
Electron orbits
Bohr discovered the...
Electron orbits/energy levels
Protons in the nucleus
Electron cloud
Neutrons in the electron cloud
Protons and Neutrons are found in the (a) of the atom
A positively charged ions has lost...
Protons
Neutrons
Electrons
Atoms
How many protons does this Copper isotope have?
63
29
92
34
