Periodic table Flashcards
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What dose the periodic table of elements mean?
Organizes elements according to their properties
What does element mean
One of the basic substances that combine to form all other substances
What dose group mean
Is a column of elements in the periodic table, also known as a family.
What dose period mean
Each row in a periodic table is called a period. They are numbered one through seven.
What dose symbol mean?
Is one or two letter observations of chemical elements
What dose atomic mass mean
Atomic number of chemical element to the number of protons found in the nucleus of an atom of that element
Ape
A equals the atomic number P equals equals number of protons E equals number of electrons. Ape will always have the same number.
Non metals.
Solid nonmetals are dull, looking brittle and don’t conduct electricity
Metalloids
Have some characteristics of both metals and nonmetals
Atomic mass
Is the mass of chemical elements
Metals
Metals are shiny malleable, able to be banded into things sheet duck tile stretch into water and good conductors of heat and electricity of an element 75% of the periodic table.
Man
M equals mass round to the whole number a equals atomic number and an equals number of neutron. What you do is you take the mass round it then minus the atomic number and that’s how you get the number of neutrons.