Intro Unit Summative Review

Working at NASA

200

How many significant digits? 

000.00045

2

500

How many significant digits in this number?

102,000

3

1000

which digits in this number are significant?

1.250

all of them

1500

How many significant figures in the answer to this question?

340/200

1

2000

How many significant digits? 

0.000030000

5

Factors of 10

200

make this into Scientific Notation 10000000

1 * 10 ^ 7

500

Is this number big or small? 2.5 * 10^-8

small

1000

1.432 * 10 ^6 is also known as..

1432000

1500

How many significant digits in this scientific notation? 

8.45 * 10 ^ 3

3

2000

Turn this number into standard notation. 

6.45*10 -3

.00645

Its a small world

200

These two particles make up the center of the atom.

What are the neutrons and protons?

500

This experiment led to the discovery of the nucleus of the atom.

What is the gold foil experiment? 

1000

DOUBLE JEOPARDY

I created the Jimmy Neutron model of the atom.

Who is Neils Bohr? 

1500

This the mass in AMU of a neutron.

What is one? 

2000

This number, found in the upper corners of the Big periodic table is used for these two reasons. 

What is Identifying the Element, and telling the number of protons?

Family tree

200

The middle portion of the periodic table is labeled this.

What is transition metals?

500

This is a metalloid. 

B, Al,Si, Ge, As, Te,Sb, At

1000

This family of the periodic table is not reactive at ALL.

What are the noble gases?

1500

This group on the periodic table is home to the Halogens. They have 7 electrons and are very reactive. 

What is group 17?

2000

This group on the periodic table hold 1 valence electron each. making them very reactive.

What are Alkali Metals?