Atoms, Elements and the Periodic Table

What does the 1.00794 stand for?

• Hydrogen
• atomic number
• atomic mass
• atomic explosion

Tags

NGSS.MS-PS1-1

How many protons are in Beryllium?

• 4
• 9
• 5
• 2

Tags

NGSS.MS-PS1-1

What is the chemical symbol for Lithium?

• H
• He
• Li
• N

Tags

NGSS.MS-PS1-1

all matter is made of what 

• energy 
• atoms 
• electrons 
• compounds 

Tags

NGSS.MS-PS1-1

NGSS.MS-PS1-5

__________ are the smallest unit of an element that maintains the properties of the element.

• Particles

• Atoms

• Protons

Tags

NGSS.MS-PS1-1

NGSS.MS-PS1-5

A nucleus of an atom contains what two parts?

• Electrons and Protons

• Neutrons and Electrons

• Protons and Neutrons

Tags

NGSS.MS-PS1-1

The majority of the elements in the periodic table are

• Non-Metals

• Metals

• Metalloids

Elements in the same _________ have the same number of valence electrons.

• Period

• Group

How many neutrons does Chlorine (Cl) with an atomic number of 17 and an atomic mass of 35.

• 17

• 18

• 19

Tags

NGSS.MS-PS1-1

In an element box, the number at top is the

• atomic number

• atomic name

• atomic mass

• atomic symbol