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physical science questions
Question | Answer |
---|---|
Whats the definition of Metal? | left of the stair step line, lose electrons in chemical reactions, conductors of heat and electricity, are shiny, are malleable, and are ductile. |
Whats the definition of Metalloid? | Border the stair step line, and some propertys of both metals and nonmetals |
Whats the definition of Nonmetal? | Right of the stair step line, and they gain electrons in chemical reactions. |
Whats the definition of Periodic Law? | Repeating chemical and phisical propertys of an elements change. |
Whats the definition of Atomic Symbol? | Identifies the element, First letter capitalised, other letters lower cased. |
Whats the definition of Proton? | Positive charge, in the nucleus, mass of 1 amu, discovered by Ruthford |
Whats the definition of Neutron? | subatomaic particle, no charge, located in nucleus, mass of 1 amu, discovered by Chadwick. |
Whats the definition of Electron? | Negative charge, located in a cloud around nucleus, 0 amu, discovered by Thomson |