| Question |
Answer |
| number of protons in an atom | atomic number |
| part of the atom with a positive charge | proton |
| part of the atom with a negative charge | electron |
| center of an atom that is surrounded by a cloud of electrons | nucleus |
| smallest unit of matter that everything is made of | atom |
| part of the atom with a neutral charge | neutron |
| number of protons and neutrons in an atom | atomic mass |
| A substance made of all the same type of atoms | element |
| a substance made of more than one type of atoms | compound |
| Are elements or compounds found on the periodic table? | elements only |
| Which two parts of the atom weigh the most? | protons and neutrons |
| Which one part of the atom weighs the least? | electrons |
| These atoms have the same number of protons, but different numbers of neutrons | isotopes |
| atoms that have an electric charge because they have a different number of protons and electrons | ions |
| Which side of the periodic table has nonmetals? | right side |
| Which side of the periodic table include nonmetals? | left side |
| In the periodic table, elements are arranged in __________ according to their atomic number. | periods |
| Is the current periodic table the only way of organizing elements? | NO |
Buen Viaje lv.2 ch 8
