Atomic Structure & Periodic Table 2

How many electrons does Si contain? (click to see image)

• 14
• 28
• 2
• 4

Tags

NGSS.MS-PS1-1

Rows on the period table are called _____ while columns are called _____.

• groups, families
• groups, periods
• periods, groups
• families, groups

The central region of an atom where its neutrons and protons are is called the

• nucleus 
• electron cloud
• core 
• center 

What is the atomic mass of "F"

• 9
• 18
• 17
• 19

1. The atomic number identifies the number of __________.

• protons and electrons

• electrons and neutrons

• atoms

• neutrons and protons

Elements in the same ____________ have similar chemical properties

• period

• staircase

• group

• row

Which of the following elements is a metalloid?

• Sulfur

• Silicon

• Iron

• Copper

Where will you find electrons in an atom?

• Nucleus

• Moving around the nucleus

• Directly next to a proton

• Atoms don't have electrons, only protons and neutrons

How many protons are in this atom?

• 28

• 14

• 29

• 42

Tags

NGSS.MS-PS1-1

How many neutrons are in this element?

• 28

• 14

• 29

• 42

Tags

NGSS.MS-PS1-1