Positive ions are called ___________. Negative ions are called_________.
What are cations and anions?
This part of the atom is negative.
What is an electron?
Atoms in the same column share the same number of ____________.
What is valence electrons?
Covalent bonds occur between what types of elements?
What is nonmetals and nonmetals?
The atomic number tells you the number of what of an atom
What is the number of protons?
Isotopes have the same number of protons as other atoms of this element, but they have different numbers of _________
What is neutrons?
The nucleus of an atom contains which particles?
What is neutrons and protons?
As you move across the periodic table from left to right, the number of valence electrons __________.
What is increases?
Ionic bonds occur between these two types of atoms?
What is metals and nonmetals?
How many neutrons are in Carbon-14?
What is 8 neutrons?
Ions have the same number of protons as other atoms of this element, but they have a different number of ___________
What is electrons?
The most heavy part of the atom is _______
What is the nucleus?
As you move from top to bottom in a column, what happens to atomic size/radius?
What is increases?
Ionic bonds are held together by opposite attraction between ____ and _____ ions.
What is positive and negative?
If an Argon atom has 18 protons and 22 neutrons, what is the atom's mass number?
What is 40?
Atoms have a certain amount of valence electrons. Atoms become ions to complete their ____________.
What is their outer electron shell?
The mass number is equal to an atoms __________ + _______.
What is protons + neutrons?
Atomic size/radius increases as you move (left or right) across the periodic table and as you move (up or down) on the periodic table.
What is left and down?
NaCl is an example of what kind of bond.
What is an Ionic bond
How many valence electrons are in an atom of Bismuth?
What is 5?
An atom of Sulfur has 16 protons and 16 electrons. If Sulfur had a full outer shell, what total charge would the Sulfur ion have?
What is Sulfur -2?
If an atom of Neon has 10 protons and a mass number of 25, how many neutrons does it have?
Ionization energy is the amount of energy required to take an electron away from an atom. Ionization energy increases as you move (left/right) and (up/down) on the periodic table.
What is the molecular formula for the covalent bond between carbon and oxygen?
What is CO2?
How many hydrogens does an atom of Carbon need to bond to have a complete outer shell?
What is 4 hydrogen atoms?