The Periodic Table
This is used to arrange the elements on the periodic table.
What is the atomic number?
An atom with this charge has lost 3 of its valence electrons.
This type of compound forms between positively and negatively charged ions.
What is an ionic compound?
The element with the following electron configuration:
1s22s22p63s23p4
What is sulfur?
The molar mass of water rounded to the hundredths.
What is 18.02 g/mol.
What is 4?
The charge of the nucleus of an atom.
What is positive?
This type of compound forms when valence electrons are shared between atoms.
What is a covalent compounds?
The number of valence electrons in selenium.
What is 6?
The empirical formula for C2H6.
What is CH3?
What is fluorine?
The number of neutrons in an atom of potassium-40.
What is 21?
When a compound changes from a gas to a liquid, this process is called this.
What is condensation?
This is the number of valence electrons that most elements want to have.
What is 8?
This is the formula used to calculate density.
The horizontal rows of the periodic table.
What are periods?
The number of electrons in an ion of nitrogen.
What is 10?
A substance formed when two or more elements are chemically combined.
What is a compound?
What is 6?
This is the percent of hydrogen in water rounded to the nearest whole number.
What is 11%?
This is group 17 of the periodic table.
What is halogens?
The number of electrons in an ion of calcium.
What is 18?
This is the compound that plants inhale during the photosynthesis process.
What is carbon dioxide?
The number before a reactant or product in a chemical reaction is called this.
What is a coefficient?
This is the mass number of an atom of chlorine that contains 18 neutrons.
What is 35?