The particles in this state of matter are tightly packed and vibrate in place.
What is a solid
This is a type of matter is formed from one type of atom.
What is an atom
This is the mass of an electron
What is 0
This is the center of the atom
What is the nucleus?
This type of elements shares the properties with metals and nonmetals
what is a metalloid
Atoms always the same number of protons and neutrons (True or False)
What is False ?
This pure substance is made when two or more elements combine chemically in fixed ratios.
what is a compound
These two particles are always found together?
What is a proton and neutron
Carbon has this many protons
what is 6
Nonmetals are found on this side of the periodic table
What is the right
This high-energy state of matter makes up stars and lightning.
What is plasma
This type of mixture looks different. Example water and oil.
What is a heterogenous mixture
This is the negatively charged particle
What is an electron
Neon has an atomic mass of ___
What is 20
This is a property of metals which means metals can be flattened
what is malluable
Atoms are neutral because
They have the same number of protons and electrons
Carbon dioxide and nitrogen dioxide are made from two different types of atoms. What are they examples of?
What is a compound
This is the charge of 10 neutrons
What is 0
Which number is the sum or the number of protons and neutrons?
What is the atomic number
Luster means this...
What is to be shinny
This number tells the number of protons
What is the atomic number
What are three ways to separate a mixture?
Filtering, dissolving, distilling, magnetism...
This is the charge and the mass of a proton
What is one
How many neutrons does uranium have?
138-92= 46
The periodic table has ___ elements on it
What is 118