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Middle School Chemistry: Formative Assessment: Chapter 4 Flashcards | StudBud
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Middle School Chemistry: Formative Assessment: Chapter 4
Middle School Chemistry: Formative Assessment: Chapter 4
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Periodic Table and Bonding
Flashcards
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Questions
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Answers
1
Neutrons and electrons are attracted to one another.
True
False
2
In the process of ionic bonding
Atoms switch protons
Both atoms gain electrons
One atom gains one or more electrons and the other loses the same number
Both atoms lose electrons
3
The atomic mass of an element is
The number of protons and electrons in the atoms of the element
A measure of the density of that element
The average mass of all the isotopes of the element
The mass of the most common isotope of that element
4
The first energy level of an atom is closest to the nucleus.
False
True
5
It is possible to have double covalent bond.
False
True
6
The atoms in a column of the periodic table all have
he same number of electrons in the outer energy level
The same abbreviation
The same number of electrons
The same number of energy levels
7
The atomic number of nitrogen is 7. The atomic mass is 14.007. This means that
A small percentage of nitrogen atoms have more than 7 neutrons
Some nitrogen atoms have fewer than 7 electrons
A small percentage of nitrogen atoms have fewer than 7 neutrons
All nitrogen atoms have exactly 7 neutrons.
8
Electrons are found in the nucleus of an atom.
True
False
9
The periodic table shows that a carbon atom has six protons. This means that a carbon atom also has
Six neutrons
Six electrons
More protons than electrons
An atomic mass that equals six
10
In the process of ionic bonding, ions come together because
Positive and negative ions attract
Like charges attract each other
Opposite charges repel
Salt is magnetic
11
Neon has 10 protons and 10 electrons. The electrons fill the energy levels in Neon like this:
2 in the first, 4 in the second, and 4 in the third
2 in the first, and 8 in the second
4 in the first, 4 in the second, and 2 in the third
2 in the first, 2 in the second, and 6 in the third
12
A hydrogen atom is made up of one proton and one electron. The proton and electron stay near each other because
Two negatives make a positive
Positive and negative charges attract
Positive and negative charges repel
Positive and positive charges repel
13
The atomic number of an atom is
Negatively charged
The number of protons
The number of protons added to the number of neutrons
The mass of the atom
14
An electron is in a region outside the nucleus. An electron
Is smaller than a proton and has no charge
Has a positive charge
Has less mass than a proton and has a negative charge
Is larger than a proton and has no charge
15
Electrons are in regions around the nucleus called energy levels. The first energy level
Needs more than two electrons to fill it up
Is furthest from the nucleus
Holds the most electrons
is closest to the nucleus
16
Protons are located in the nucleus of the atom. A proton has
A positive and a negative charge
No charge
A positive charge
A negative charge
17
Neutrons are in the nucleus of the atom. A neutron has
No charge
A positive charge
Twice as much positive charge as a proton
A negative charge
18
In a covalent bond, electrons are shared between two or more atoms.
True
False
19
An element and an atom are different but related because
An element is smaller than an atom
An element is made up of all the same type of atom
A molecule is the same as an atom
A particular element is made up of many different types of atoms
20
The atoms of the same element can have different isotopes. An isotope of an atom
Is an atom with a different number of protons
Is an atom with a different number of electrons
Has a different atomic number
Is an atom with a different number of neutrons
21
In an ionic bond, electrons are shared between two atoms.
False
True
22
In the process of covalent bonding, atoms share electrons. This means that
Atoms lose electrons and become ions
Protons and neutrons attract
Atoms gain electrons and become ions
Electrons from each atom are attracted to the nucleus of both atoms
23
In a Lewis dot diagram, the electrons shown
Always add up to an even number
Are in the innermost energy level
Always equal the number of protons
Are in the outermost energy level
