Particles
These are the three subatomic particles.
What are protons, neutrons, and electrons?
These are atoms with the same number of protons but different number of neutrons.
What are isotopes?
This is the name for rows going across the periodic table.
What are periods?
This is the formula for potassium sulfide.
What is K2S?
When an atom gains electrons, it has this kind of charge.
What is negative?
Objects with different charges do this when they come close to each other.
What is attract?
This group of elements will gain 1 electron when they become an ion.
What are the halogens (group 7A)?
This is the formula for strontium nitride.
What is Sr3N2?
When an atom loses electrons, it has this kind of charge.
What is positive?
When an atom gains an electron it has this kind of ion.
What is an anion?
This group of elements is called the alkali metals.
What is Group 1A?
This is the formula for barium nitrate.
What is Ba(NO3)2?
This subatomic particle is positively charged.
What is the proton?
When an atom loses an electron it has this kind of ion.
What is cation?
This group of elements usually do not react with other elements.
What are the noble gases?
The mass number of Potassium.
What is 39.098?
This is the name for CaCl2.
What is calcium chloride?
This is the charge for elements in the alkaline earth metal group.
This is an atom that is neither positively or negatively charged.
What is neutral?
This is a group of cations which will lose 2 electrons.
What are the alkaline earth metals?
This element is located in Group 2A, period 4.
What is calcium?
This is the name for MgSO4.
What is magnesium sulfate?