This subatomic particle is found in the nucleus of the atom and has no charge.
A neutron
100
Elements in the same __________ all have the same number of valence electrons.
group
100
An ___________ forms between a metal and a nonmetal and involves the transfer of electrons from one atom to the other.
ionic bond
100
A group of two or more atoms of different elements that are held together by chemical bonds in a fixed ratio.
Compound
100
How many electrons will a calcium atom gain/lose to form an ion? What will the calcium ion's charge be?
lose 2 electrons; 2+
200
An atom or molecule that has gained or lost one or more electrons and has a negative or positive charge.
Ion
200
Elements in the same __________ all have the same number of electron shells.
period
200
A ____________ forms between a nonmetal and another nonmetal and involves the sharing of electrons between the two atoms.
covalent bond
200
A group of two or more atoms that are held together by chemical bonds.
A Molecule
200
How many electrons will a chlorine atom gain/lose when it becomes an ion? What will be the charge of the chlorine ion?
gain 1 electron; 1-
300
This subatomic particle is found in the nucleus of the atom and has a positive charge.
A proton
300
The _________ is the identifying number of a specific element and also indicates the number of protons found in an atom of that particular element.
atomic number
300
An atom or molecule that has lost electrons, thus resulting in a positive charge.
Cation
300
In the chemical equation for photosynthesis (and all chemical equations), there is the same number of carbon, hydrogen, and oxygen atoms on each side of the equation. What scientific law does this support?
The Law of Conservation of Mass
300
An isotope has an atomic number of 13 and a mass number of 29. How many neutrons does the isotope have?
16 neutrons
400
This subatomic particle has a negative charge and is found orbiting around the outside of the nucleus in the electron cloud.
An electron
400
The _________ indicates the total number of protons and neutrons found in an atom of a specific element.
mass number
400
An atom or molecule that has gained electrons, thus resulting in a negative charge.
Anion
400
Atoms will bond with other atoms by sharing electrons or transferring electrons so that they can attain a ________.
full outer shell
400
Magnesium and chlorine can combine to form an ionically bonded compound. How many magnesium ions will there be and how many chlorine ions will there be in this compound?
1 magnesium ion and 2 chlorine ions
500
An atom that has the same number of protons but a different number of neutrons than other atoms of the element.
Isotope
500
Atoms found in this group of elements all have a full outer shell.
Group 18- the Noble Gases.
500
What kind of bond is formed in the compound NaCl?
An ionic bond.
500
Which type of bond is stronger: an ionic bond or a covalent bond?
covalent bond
500
Lithium and sulfur can combine to form an ionically bonded compound. How many lithium ions will there be and how many sulfur ions will there be in this compound?