Physical Science Atomic Structure and the Periodic Table

What was unique about Henry Mosely’s table?

• He put them backwards

• It was mixed up and incorrect

• Nothing

• Arranged elements by atomic number

What property most influences the chemical and physical properties of elements?

• Nutruon structure

• electron structure

• proton structure

• all of the above

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

Element

• Nothing it doesn't exist

• Any impure substance made of only one kind of atom

• Any pure substance made of only one kind of atom

• Any pure substance made from all atoms

Tags

NGSS.MS-PS1-1

Periodic Law of Elements

• The properties of elements vary with their atomic numbers in a periodic way.

• The properties of elements don't vary with their atomic numbers in a not periodic way.

• No

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

If an atom has 24 protons and 24 electrons, what is the atomic number of this element?

• 24

• 48

• 0

• 42

What does an atom's period number tell us?

• Number of protons

• Number of electrons

• Number of valence electrons

• Number of shells

What does an atom's period tell us?

• Number of protons

• Number of electrons

• Number of valence electrons

• Number of shells

What does an atom's group tell us?

• Number of protons

• Number of electrons

• Number of valence electrons

• Number of shells

The ​ (a)   tells you the number of protons and electron an element has.

• atomic number

• atomic mass

• chemical symbol

Tags

112.27.b.6.B

How many electrons does an atom with atomic number 8 have?

Mathematical Equivalence

ON