Elements Flashcards
The particles that make up all the substances are known as what?
Atoms
If a substance contains only one arrangement of its atoms, it is a substance?
Pure
Anything which is not here is best described as what
A mixture
In an element are all the atoms exactly the same
Yes
Is the groups in the periodic table up or down?
Down
Are there periods in the periodic table?
Yes
What is the symbol for gold?
Au
Is carbon graphite a metal or nonmetal
Nonmetal
Is copper a metal or nonmetal?
Metal
Is silicon a metal or nonmetal
Nonmetal
Is lead a metal or nonmetal
Metal
Is bromine a metal or nonmetal
Nonmetal
What is unusual about mercury?
It’s a liquid and very heavy
Is mercury a metal or nonmetal
Metal
What is unusual about copper?
It’s brown shiny
What is unusual about carbon?
It conducts electricity
What is unusual about silicon?
It’s shiny metallic in grey
What is unusual lead?
Low, melting point
What is unusual about bromine?
It’s a liquid
Soluble oxides of metals, turn, universal indicator solution what colour?
Purple
Soluble metal oxides are…
Alkalis
Soluble oxides are nonmetals, tan, universal indicator solution what colour
Red
Soluble, non-metal oxides are…
Acidic
Definition of allotropes/allotropy
This is where the atom of the element to be put together in different ways case in different forms of the element