AATOMIC THEORY

What are the 4 parts of an atom?

• Protons, Neutrons, Electrons and the Nucleus

• Nucleus, Ions, Thus, Ligand,

• Protons, Neutrons, Electrons, Ions

What is the most important atom in the universe?

Tags

NGSS.HS-ESS1-3

How many Atomic Numbers does Lithium have?

Tags

NGSS.HS-PS1-1

What did Henry Moseley do?

• He devised the periodic table and discovered it.

• He completed his pioneering studies on the frequencies of X-rays emitted from the elements.

What did Dmitri Mendeleev do?

• He formulated a new atomic theory to explain chemical reactions, and also developed a theory to explain color vision deficiency

• He developed the periodic classification of the elements.

Tags

NGSS.HS-PS1-1

What form will Hydrogen always be?

• H

• H2

Who discovered the Periodic Table?

• Dmitri Mendeleev

• Dmitri Mandeleev

Hydrogen has 1.004 Atomic Weight

• True

• False