No student devices needed. Know more
26 questions
When two or more elements join together chemically…
a compound is formed.
a mixture is formed.
a substance that is the same as the elements is formed.
the physical properties of the substances remain the same.
___________________ are positively charged particles located in the nucleus of an atom.
Electrons
Neutrons
Protons
Isotopes
What do atoms of the same periodic group have in common?
They have the same atomic number.
They have the same chemical symbols.
The have similar chemical properties.
They have the same atomic mass.
The smallest particle of an element that has the same chemical properties of the element is
a molecule of that element.
an atom of that element.
a proton of that element.
the nucleus of the element.
The three kinds of elements are
metals, nonmetals, and liquid metals
metals, nonmetals, and metalloids
metals, solids, and liquids
metalloids, asteroids, and nonmetals
Name the ionic compound, CaCO3
calcium carbide
calcium carbon trioxide
calcium carbon oxide
calcium carbonate
What is the formula for diphosphorus pentoxide?
P2O5
PO5
P5O2
Po2O5
What is the name for SiCl4?
silicon tetrachloride
silicon quadchloride
monosilicon tetrachloride
silicon chloride
The first step in naming an ionic compound is always...
Naming the anion (non-metal)
Changing the ending to -ide
Naming the cation (metal)
Writing the cation charge
Is the following compound ionic or covalent?
LiBr
Ionic
Covalent
Is the following compound ionic or covalent?
PBr5
Ionic
Covalent
Is the following compound ionic or covalent?
Ag2O
Ionic
Covalent
calcium nitrate is made of .....
calcium, nitrogen, zinc
calcium, sodium, salt
calcium, nitrogen, hydrogen
calcium, nitrogen, oxygen
Explore all questions with a free account