Bohr-ing Questions
The theory that all matter is made up of tiny indivisible particles called atom.
a. Tectonic Theory
b. Atomic Theory
c. Big Bang Theory
What is b - Atomic Theory?
What is the charge of a proton?
a. neutral - no charge
b. Positive
c. Negative
What is b - positive charge?
Which group in the periodic table is known as the alkali metals?
a. Group 1
b. Group 2
c. Group 17
What is a - group 1?
What is Magnesium's atomic number?
a. 24
b. 2
c. 12
What is c - 12?
This term refers to the outermost electron shell of an atom.
a. Valence shell
b. Shellfish
c. Valence electron
What is a - valence shell?
The smallest unit of a substance that cannot be broken down chemically is called:
a. a molecule
b. a compound
c. an atom
What is c - an atom?
Which subatomic particle has a NEGATIVE charge?
a. Proton
b. Electron
c. Neutron
What is b - Electron?
Which of the following elements is a noble gas?
a. Oxygen
b. Magnesium
c. Argon
What is c - Argon?
How many electrons does Chlorine have?
a. 35
b. 18
c. 17
What is c - 17?
Beryllium has this many valence electrons.
a. 1
b. 2
c. 3
What is b - 2?
Which type of diagram shows electron SHELLS?
a. Bohr
b. Lewis
C. Dalton
What is a - Bohr?
The atomic number of an element represents the same number of:
a. Electrons only
b. Protons only
c. Protons and Electrons
What is c - Protons and electrons?
In which period would you find elements with three electron SHELL?
a. Period 3
b. Period 2
c. Period 1
What is a - Period 3?
What is the number of protons in Mercury?
a. 80
b. 200
c. 12
What is a - 80?
In a Bohr diagram, Phosphorus has this many electrons in its second shell. (Hint: 2-8-8 rule)
a. 5
b. 2
c. 8
What is c - 8?
What does the atomic mass of an atom represents?
a. The number of protons
b. The number of neutrons
c. The total number of protons and neutrons
What is c - The total number of protons and neutrons?
What is the charge of a neutron?
a. Neutral - no charge
b. Positive
c. Negative
What are a - neutral no charge?
The Halogens belong to which group of the periodic table?
a. Group 1
b. Group 2
c. Group 17
What is c - Group 17?
What is the atomic number of the element Lead?
a. 207
b. 200
c. 82
What is c - 82?
The Lewis dot diagram for Phosphorus has this many dots around the symbol "P".
a. 1
b. 5
c. 2
What is b- 5?
What type of diagram shows only VALENCE ELECTRONS?
a. Bohr
b. Lewis
c. Dalton
What is b - Lewis?
Elements in the same group- column - of the periodic table have:
a. The same atomic mass.
b. The same number of valence electrons.
c. The same number of protons.
What is b - The same number of valence electrons?
Which of the following elements is an Alkaline Earth Metals?
a. Lithium
b. Magnesium
c. Aluminum
What is b - Magnesium?
Which element has an atomic number of 36?
a. Chlorine
b. Krypton
c. Hydrogen
What is b - Krypton?
The key difference between a Bohr diagram and a Lewis dot diagram is that the Lewis diagram only shows these electrons.
a. Electromagnetic shell
b. Valence electron
c. Valence proton
What is b- valence electron?