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Atoms and the Periodic Table
Atoms and the Periodic Table
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Test on the characteristics of atoms and the periodic table
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1
The atoms in a column of the periodic table all have
the same number of electrons
the same number of electrons in the outer energy level
the same number of energy levels
the same abbreviation
2
Neon has 10 protons and electrons. The electrons fill the energy levels like this
4 in the 1st, 4 in the 2nd, 2 in the 3rd
2 in the 1st, 8 in the 2nd
2 in the 1st, 2 in the 2nd, 6 in the 3rd
2 in the 1st, 4 in the 2nd, 4 in the 3rd
3
The atomic mass of an element is
a measure of the density of that element
the mass of the most common isotope of that element
number of protons and electrons in the atoms of the element
the average mass of all the isotopes of the element
4
Neutrons are in the nucleus of the atom. A neutron has
no charge
twice as much positive charge as a proton
a negative charge
a positive charge
5
In a Lewis dot diagram, the electrons shown
always equal the number of protons
always add up to an even number
are in the innermost energy level
are in the outermost energy level
6
The periodic table shows that a carbon atom has 6 protons, which also means that it has
more protons than electrons
six neutrons
six electrons
an atomic mass that equals six
7
The proton and electron in a hydrogen atom stay near each other because
positive and negative charges attract
positive and positive charges repel
positive and negative charges repel
two negatives make a positive
8
An element and atom are different but related because
an element is made up of all the same type of atom
an element is made up of many different types of atoms
an element is smaller than an atom
a molecule is the same as an atom
9
Regions around the nucleus are called energy levels. The first energy level
hold the most electrons
needs more that two electrons to fill it up
is closest to the nucleus
is furthest from the nucleus
10
The atomic number of an atom is
the mass of the atom
the number of protons added to the number of electrons
the number of protons
negatively charged
11
Protons which are located in the nucleus of the atom have ___________.
a positive and negative charge
a positive charge
no charge
a negative charge
12
The atoms of the same element can have different isotopes. An isotope of an atom has
a different number of electrons
a different atomic number
a different number of neutrons
a different number of protons
13
In the process of covalent bonding, atoms share electrons; this means
atoms lose electrons and become ions
atoms gain electrons and become ions
protons and neutrons attract
electrons from each atom are attracted to nucleus of both
14
An electron is in a region outside the nucleus. An electron
is larger than a proton and has no charge
has less mass than a proton and has a negative charge
has a positive charge
is smaller than a proton and has no charge
15
In the process of ionic bonding
both atoms gain electrons
one atoms gains an electron, one atoms loses an electron
atoms gain electrons and become ions
atoms lose electrons and become ions
16
In the process of ionic bonding, ions come together because
opposite charges repel
like charges attract each other
positive and negative ions attract
salt is magnetic
17
The atomic number of nitrogen is 7 and its mass is 14.01. This means
a small % of nitrogen atoms have fewer than 7 neutrons
a small % of nitrogen atoms have more than 7 neutrons
all nitrogen have exactly 7 neutrons
some nitrogen atoms have fewer than 7 electrons
