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Les 2 & 3 Elements
Types of Matter Study guide
Question | Answer |
---|---|
ELEMENT | A SUBSTANCE THAT CANNOT BE FURTHER SIMPLIFIED |
ATOM | THE SMALLEST PARTICLE THAT HAS THE PROPERTIES OF AN ELEMENT |
4 MOST COMMON ELEMENTS (CHON) | -CARBON -HYDROGEN -OXYGEN -NITROGEN |
PROTON | PARTICLE (PART) IN NUCLEUS OF ATOM |
NEUTRON | PARTICLE (PART) IN NUCLEUS OF ATOM |
ELECTRON | PARTICLE (PART) OUTSIDE OF NUCLEUS |
ATOMIC NUMBER | NUMBER OF PROTONS IN AN ATOM |
MOLECULE | PARTICLE THAT CONTAINS MORE THAN ONE ATOM JOINED TOGETHER |
METALS | (GOOD) CONDUCTOR OF HEAT AND ELECTRICITY |
NON METAL | (POOR) CONDUCTOR OF HEAT AND ELECTRICITY |
NOBLE GASES | DOES NOT LIKE TO COMBINE WITH OTHER ELEMENTS |
METALLOID | PROPERTIES OF METAL AND NON-METAL |
PERIODIC TABLE | COLUMNS ARRANGED BY CHEMICAL PROPERTIES |
STM | LETS SCIENTISTS "SEE" ATOMS |