compounds
element
chemical formula
states of matter
Element symbol
100

 Which one is a compound.

A. H2O

B. S

the correct answer is A. H2O

100

what element sets you breath.

Oxygen.

100

What is a chemical formula.

A chemical formula is a way of presenting information about the chemical proportions of atoms that constitute a particular chemical compound or molecule.

100

what is the state of water.

liquid


100

What's a element symbol.

Chemical symbols are the abbreviations used in chemistry, mainly for chemical elements; but also for functional groups, chemical compounds, and other entities.

200

What h20 made of.

 2 hydrogen (H) atoms and 1 oxygen (O) atom

200

name 3 types of the most found elements.

Helium,Nitrogen,Oxygen,Fluorine and Neon.

200

whats the formula for h20.

IUPAC ID

200

which state of matter  has definete shape and volumue

solid

200

How many letters can be in a element symbol.

1 or 2

300

What is the most rarest compound.

astatine-210,

300

What is the most toxic element.

polonium

300

What is the most rarest chemical formula.

astatine-210. 

300

What state of matter has a definite volume and no definite shape. how

liquid

300

Whats is the rarest element symbol.

At.

400

What is the most toxic compound.

Botulinum toxins.

400

What are the least harmful elements.

copper, silver, and gold and the inert gases.

400

What is the most toxic chemical formula.

HCN

400

What state of matter has no definite shape or volume.

gas

400

What is the most toxic element symbol.

 Po-210

500

What is the least harmful compound.

Uric acid.

500

What is the most rarest element.

Astatine.

500

What is the most simplest chemical formula.

empirical formulae.

500

what are the 3 states of matter.

solid,liquid and gas

500

What is the longest chemical symbol.

C169723H270464N45688O52243S912/Titin.