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Atomic Structures Flashcards | StudBud
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Atomic Structures
Atomic Structures
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A quiz over atomic structures, molecules, compounds and the periodic table of elements
Flashcards
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Questions
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Answers
1
A property of matter that can be either positive, negative or neutral.
synthesis reaction
electrostatic charge
good conductor of electricity
decomposition reaction
2
What does the atomic number tell us about the atom?
the number of electrons
the number of protons & neutrons
the number of electrons & neutrons
the number of protons
3
The horizontal rows on the periodic table of elements are called?
families
groups
categories
periods
4
A stable atom is one that ______?
Has a full outer shell; not likely to form compounds
Has only 1 electron in its outer shell
Has equal protons and neutrons
Has equal protons and electrons
5
The atomic mass is based upon the number of __________ an atom has.
number of protons
number of protons and neutrons
number of neutrons
protons and electrons
6
An atom that has gained or lost electrons is called a ________?
compound
molecule
ion
mixture
7
Molecules formed from 2 or more different elements are called?
mixtures
compounds
ions
elements
8
An atom that has given away electrons in its outer shell.
positive ion
neutral atom
ion
negative ion
9
What is the study of matter called?
biology
chemistry
matterology
science
10
Name the 3 main parts of the atom.
protons, neutrons, nucleus
protons, electrons, nucleus
nucleus, protons, atoms
electrons, protons, neutrons
11
Which scientist developed a simplified model for the atom?
Bohr
Rutherford
Mendeleev
Boyle
12
What is a valence electron?
An electron in the outermost energy level or shell
An electron in the first energy level or shell
An electron that is being shared
An electron that has been transferred to another element
13
If an element has an atomic # of 13 and an atomic mass of 30; how many neutrons does it have?
17
30
13
15
14
Which scientist developed the periodic table of elements?
Mendeleev
Rutherford
Bohr
Boyle
15
An element that is a poor conductor of electricity, is dull and brittle.
non-metal
noble gas
metal
metalloid
16
Substances containing only 1 kind of atom are called?
mixtures
elements
compounds
ions
17
Vertical columns on the periodic table of elements are called?
groups
periods
families
categories
18
What occurs when atoms share electrons?
ionic bonding
positive ion
negative ion
covalent bonding
19
Elements that possess similar qualities and react similarly with other elements are called?
periods
groups
families
molecules
20
What is the smallest part of an element that can still be recognized as that element?
electron
proton
neutron
atom
