What is the first element on the periodic table?
Hydrogen (H)
What is one property of metals?
They can conduct electricity
What is one property of nonmetals?
They do not conduct electricity
What are metalloids?
Elements that have properties of both metals and nonmetals.
Who created the first periodic table?
Dmitri Mendeleev
What does the atomic number represent?
the number of protons in an atom
Name one metal.
aluminum, iron, calcium, sodium, magnesium, potassium, gold, silver, titanium
Name a nonmetal that is a gas at room temperature
Nitrogen, oxygen, fluorine, chlorine, and others.
Name one common metalloid.
Silicon (Si)
What is the color of the gas in group 18?
What do we call rows on the periodic table?
periods
What are the metals in group 1 called?
Alkali metals
What is the most reactive nonmetal?
Fluorine
Where are metalloids located on the periodic table?
Metalloids are located between metals and nonmetals, typically between Group 13 and Group 17.
What element is named after Japan?
Nihonium (Nh)
What do we call columns on the periodic table?
groups
Name a metal that is solid at room temperature.
Iron (Fe), copper (Cu), gold (Au), silver (Ag), nickel (Ni), platinum (Pt), and others.
Name one nonmetal that is a solid at room temperature.
sulphur, carbon, phosphorus, and arsenic
What is a property of metalloids?
They can conduct electricity at higher temperatures
What is the only liquid nonmetal at room temperature?
Bromine (Br)
by increasing atomic number
What is a shiny metal that is used in wires?
copper (Cu)
What nonmetal is used in light bulbs?
neon (Ne)
How many metalloids are there?
6 (six)
What is the name of element 6?
Carbon