Name ____________________________________________ Period _______
Chemistry Review. Part II
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A common isotope of iron has a mass number of 56. The total number of subatomic particles in the nucleus is:
Thomson is given credit for the discovery of a particle smaller than an atom, the…
A particle with zero charge found in the nucleus of an atom is called a(n):
Atoms of the same element whose nucleus contains different numbers of neutrons are called:
The number of protons in an atom is the:
The mass of an atom is determined mainly by the:
Compared to protons, electrons have:
Protons and neutrons are found grouped together in the:
How many protons does a carbon atom with a mass number of 14 and an atomic number of 6 have?
An atom of silicon contains 14 protons and 16 neutrons.
What is its mass number?
The vertical columns of the periodic table are:
The noble gases such as helium and xenon do not form chemical bonds with other elements because they:
About how many elements are naturally occurring?
If an atom becomes an ion by gaining three electrons, what is its oxidation number (charge)?
Where are the transition elements located on the periodic table?
What are some characteristics of metals?
Which metals have a tendency to gain two electrons in order to be stable?
Most non-metals on the periodic table are located on the:
The elements that do not naturally form compounds with other atoms belong to the group known as:
Two elements are normally gases at room temperature. They are
The most essential element for life on Earth is:
Groups of atoms held together by covalent bonds are called:
What is the largest number of valence electrons that an atom in the first period can have?
An atom that acquires an electrical charge by gaining or losing electrons is known as:
The Mg atom becomes the ion, Mg2+, when it:
Ionic bonds form:
How many potassium ions will bond with oxygen?
Give the name of the ionic compound MgCl.
If strontium and sulfur form an ionic compound, what is the chemical formula?
If strontium and sulfur form an ionic compound, what is its name?
Give the name of the covalent molecule OF2
How many valence electrons are in an atom of aluminum, atomic number 13?
What is the formula for the molecule phosphorus trichloride?
What is the oxidation number (charge) for halogens?
Elements in the first column of the periodic table are known as alkali metals. What do these elements have in
common when ionized?
How many electrons are shared between two atoms covalently bonded by a triple bond?
Balance the following equation to demonstrate the conservation of atoms in a reaction.
_____ Fe + _____ O2
_____ Fe2O3
How many atoms of reactant are represented in the equation below?
2KClO3  2KCl + 3O2
Balance the following equation to demonstrate the conservation of atoms in a reaction.
____ CS2 + ____ O2
____ CO2 + ____ SO2
Which kind of reaction do nuclear power plants currently use to generate electricity?
Which type of radioactivity leaves the atomic number unchanged?
Elements are transported through the living and non-living parts of our planet in sets of processes known as:
What greenhouse gas is the major contributor to global warming?
For fluorine:
 draw the atom in its entirety
 draw its Lewis dot structure
 give its oxidation number (charge)