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Duplicate of Atoms, Ions, and Molecules KW Flashcards | StudBud
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Duplicate of Atoms, Ions, and Molecules KW
Duplicate of Atoms, Ions, and Molecules KW
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Biology Quiz on basics of Chemistry (Section 2.1)
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16 cards
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Questions
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Answers
1
How are atoms different from elements??
Compounds are made of one type of atom
Elements have a charge and compounds do not
Elements are made of more than one type of atoms
Elements are made of one type of atom
2
What distinguishes one element from another?
The number of protons.
The number of electrons.
The shape.
The number of neutrons.
3
Elements in a group with the same valence electrons have the same
chemical properties
number of shells
protons
band name
4
What is the negatively charged particle found in an atom called?
protons
electrons
prions
neutrons
5
If you were to draw the dot structure of fluorine how many dots would be around it
8
1
7
11
6
The correct number of valence electrons in carbon is
4
3
1
8
7
If an element has lost an electron what is it's charge
+1
-1
+2
-2
8
How do ions form?
Atoms gain or lose electrons.
Two atoms share electrons.
Atoms combine to make a larger atom.
Atoms form covalent bonds.
9
How does an ion become negatively charged?
It loses electrons.
It gains electrons.
10
What is an example of an element?
Water
Salt
Carbon dioxide
Neon
11
Which particle determines the properties of an element?
neutrons
electrons
quarks
protons
12
If the electrons in a covalent molecule are shared unequally, it is what type of bond?
James
ionic
nonpolar covalent
polar covalent
13
How does an ionic bond form?
Electrons are exchanged between atoms.
Positive and negative ions attract
Two atoms combine as one.
Atoms share electrons.
14
An ion is formed when an atom gains or loses
bonds
electrons
neutrons
protons
15
Atoms in molecules share pairs of electrons when they make
ionic bonds
specific heat
hydrogen bonds
covalent bonds
16
The smallest basic unit of matter is the
cell.
molecule.
atom.
compound.
