H2O
Covalent
What subatomic particle determines an elements identity?
What is a Proton?
What are halogens
K2SO4
what is potassium sulfate
Atoms of the same element that have different numbers of neutrons are called these.
What are isotopes?
K2O
Ionic
A neutral carbon atom has how many electrons
What is 6?
Group 18 elements are known as these
what are noble gases
Write the formula for ammonium carbonate
What is (NH4)2CO3
Carbon-12, Carbon-13, and Carbon-14 all have the same number of these particles.
What are protons
HF
Covalent
An atom has 17 protons and 20 neutrons. What is the mass number.
The rows on the periodic table are called these
what are periods
Cu2O
What is Copper (I) oxide
An atom of ²³Na has 11 protons. This is the number of neutrons it contains.
What are 12 neutrons
NH4NO3
Ionic
Carbon-14 differs from Carbon-12 by this.
What is the number of neutrons?
Mercury and Bromine are unusual because they are these at room temperature.
What are liquids?
Write the formula for iron (II) phosphate
what is Fe3(PO4)2
This isotope contains 26 protons and 30 neutrons
What is iron-56 (⁵⁶Fe)
Fe2(SO4)3
Ionic
An ion with 20 protons and 18 electrons has this charge
What is 2+?
Name all seven diatomic elements
what are H2, N2, O2, F2, Cl2, Br2, and I2
Name Fe(NO3)3
what is iron (III) nitrate
An isotope has 15 protons, 16 neutrons, and 18 electrons. Identify the element, its mass number, and its charge
What is phosphorus, mass number 31, with a 3− charge