physical and chemical properties and changes
elements
metals, non metals, and metalloids
periodic table
🔬mystery🤔
100

is this image a physical or chemical property?

chemical property

100

whats the atomic number if iron

26

100

is hydrogen a metal,non metal, or metalloid?

non metal

100

how many elements are in group 18?

6

100

what is the element in group 14 period 4?

Ge

200

is this chemical or physical?occur when the appearance of a substance changes, but chemically the substance is the same. The individual molecules do not change.



physical properties

200

what is group one period 7?

Fr

200

is Ra a metal, non metal or metalloid 

metal

200

what dose H2o stand for?

water

200

is baking brownies physical or chemical 

chemical

300

what is the formula for density?

mass x volume 

300

what is a chemical property of sodium?  

It burns in water

300

is Li element 3 a metal,non metal or,metalloid?

metal🧬🧪🧫🔬🔭

300

what is number 15 on the periodic table?

Phosphorus

300

A change to the physical—as opposed to chemical—properties of a substance. They are usually reversible.is a chemical or physical change?

Physical change 

400

are freezing,boiling point and solubility physical or chemical properties?😄 

physical properties

400

what is another word for groups in the periodic table?🤔🤨

familys

400

whats a metaloid?

it has both metal and non metal characteristics

400

the elements on the periodic table are organized by?😯

atomic number

400

what element is number 14 on the periodic table

Silicon

500

What is it called when somthing has the ability to rust?

oxidation

500

how many elements are there in the periodic table?

118

500

witch of the fallowing is NOT a metaloid?

B

Ga

As 

Si

Ga

500

witch of the fallowing is NOT an element on the periodic table?

Ga

O

Q

Q

500

what is number 12 on the periodic table?

Magnesium