Element Symbols
What is the symbol for Oxygen?
O
hat do elements in the same group have in common?
Similar chemical properties and the same number of valence electrons.
This element is used to inflate balloons.
Helium
Is Carbon a metal, nonmetal, or metalloid?
Nonmetal
This element is radioactive and used in smoke detectors.
Americium
Which element has the symbol Na?
Sodium
Which side of the periodic table contains nonmetals?
The right side
What element is found in table salt?
Sodium
What is the state of matter for Bromine at room temperature?
Liquid
Which element was used by Marie Curie in her research?
Radium
Identify the element with the symbol Fe.
Iron
Why do elements in Group 1 react violently with water?
They have one valence electron, making them highly reactive.
Name the element used in thermometers and barometers.
Mercury
Which element is shiny and a good conductor of electricity?
Copper
What is the only metal that is liquid at room temperature?
Mercury
This element, with the symbol Pb, was once commonly used in pipes and pencils.
Lead
Which group is known as the Noble Gases?
Group 18
Which element is used in batteries and has the symbol Li?
Lithium
What property do all metals share?
They are good conductors of heat and electricity.
Arrange these elements by increasing atomic number: Oxygen, Neon, Hydrogen
Hydrogen, Oxygen, Neon
What is the symbol for the radioactive element Polonium?
Po
What is the trend for atomic size across a period?
It decreases
Identify the element that powers nuclear reactors.
Uranium
What is the term for elements that have properties of both metals and nonmetals?
Metalloids
Which element has 6 protons, 6 neutrons, and 6 electrons?
Carbon