A subatomic particle with a single positive electrical charge is protons. 2.
A subatomic particle with a single negative electrical charge is electrons. 3.
A subatomic particle which is electrically neutral is neutrons. 4.
The nucleus of an atom is made up of _protons_ and _neutrons. 5.
The number of electrons forming a charge cloud around the nucleus is (pick one of the following) greater than; equal to; smaller than the number of protons in the nucleus of the atom. 6.
The atomic number of potassium (3919K) is_19_. This means that a potassium atom has _19 protons and 19_ electrons. 7.
What is the atomic mass of K? ___39________.
The atomic mass represents the number of _protons_ and _neutrons. 9.
The isotope 14C differs from 12C in that 14C has (pick one of the following) more; less; same) neutrons.
Electrons are arranged in electron shells. The electron shell closest to the nucleus has a maximum capacity of _2___ electrons, whereas the second shell holds a maximum of _8__ electrons for elements in Biology. 11.
The outermost shell is referred to as the __valance__ shell. The electrons in the outermost shell are referred to as the _valance_ electrons. 12.
Trick Question: How many electrons does 42He need to be stable? _It is balanced__ 13.
How many electrons does 3919K need to be stable?___________ 14.
How will K most likely become stable (what does it need?) __¬¬¬¬¬¬¬¬¬¬¬¬¬¬¬¬__ 15.
Ions are atoms that have (pick one): gained or lost; shared one or more electrons into or form their valence shells. 16.
A cation is an atom that has (gained or lost) an electron. (Pick one) 17.
An anion is an atom that has (gained or lost) an electron (Pick one) 18.
When a cation bonds with an anion, that bond is referred to as a/an _ionic_ bond. 19.
Circle the molecules that are classified as compounds (H, H2, H2O, C6H12O6, N2) 20.
Find the name for each element using the periodical table from the...
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