Atoms
Made up of only one kind of atom
What is an element
has mass and takes up space
What is matter?
These are found on the far right side of the periodic table
(one answer)
What is nonmetals
the left side of the equation
This is a neutral particle in the nucleus of the atom.
What is a neutron
These are on the periodic table
What is an element
states of matter
What is solid, liquid, and gas? (also plasma)
This is the number of protons in the nucleus of each atom of an element
What is the atomic number
the right side of the equation
What are the products?
This is a negatively charged subatomic particle
What is an electron?
These are shiny, good conductors of heat and have luster
What is a metal
the specific name for 2 in ... CO2
What is subscript
This is the sum of the an atom's protons and neutrons... sometimes in a decimal form
What is the atomic mass number
the first step to balancing an equation
What is count all atoms in the reactants and then the products?
This is a positively charged particle in the nucleus of the atom
What is a proton
These are poor conductors of heat and electricity. They are dull in appearance
What is a nonmetal
The name of an element classified as a nonmetal
(Multiple answers) What is Helium, Hydrogen? All on right side of PT.
an element that has 50 protons
What is Tin?
the number of Oxygen atoms in the product :
Co + H2O → Co2O3 + H2
What is 3 Oxygen atoms?
What two particles are located in the nucleus?
What are protons and neutrons?
Elements that have characteristics of metals and non metals
What is a metalloid
states that matter is neither created nor destroyed, only changed in form
What is the Law of Conservation of Matter?
Am
balance this equation :
____ HgO → ____ Hg + ____ O2
What is 2 HgO → 2Hg+ O2?