Chemistry

Chemistry Qst

100

What happens when you change the number of protons in an atom?

The element changes

200

What is the atomic mass?

The adition of protons and neutrons in an element

300

The process in which radioisotopes release particles and energy

Decay

400

Whats a compound?

A substance made up of atoms of two or more elements

500

The smallest part of an element that can exist is called........

Atom

Chemical formula

100

H₂0 means there are .... particles of.....

2 particles of hydrogen and 1 particle of oxygen

200

CO_{5 means there are .... particles of.....}

1 particle of carbon and 5 particles of oxygen

300

Cd₈Po₃F_{2 means there are .... particles of.....}

8 partciles of cadmium,3 particles of polonium and 2 particles of fluorine

400

BC₂Ne₃I means there are .... particles of.....

1 particle of Boron,2 particles of carbon,3 particles of neon and 1 particle of iodine

500

Os₄Y₂N_{5 means there are .... particles of.....}

4 particles of osmium,2 particles of yttrium and 5 particles of nitrogen

Element

100

This element has 11 protons and 12 neutrons (name atomic mass and element)

²³Na      Sodium

200

This element has 80 protons and 121 neutrons (name atomic mass and element)

²⁰¹ Hg     Mercury

300

This Isotope has 53 protons and 77 neutrons (name atomic mass and element)

¹³¹I          Iodine

400

This iotope has 27 protons and 40 neutrons (name atomic mass and element)

⁶⁷Co        Cobalt

500

This isotope has 81 protons and 132 neutrons (name atomic mass and element)

²¹³TI    thallium

ION +/-

100

If a atom hass 9 electrons and 2 protons is + or - ION

-7

200

If an atom has 41 protons and 67 electrons is + or - ION

-26

300

An atom that has 115 protons and 79 electrons is + or - ION 

+36

400

If an atom has 69 protons,17 neutrons and 47 electrons is + or - ION

-22

500

If an atom has 89 electrons,42 neutrons and 95 protons is + or - ION

+6

Random

100

Biggest country

Rusia

200

Who is more handsome tha vladi

No one

300

Square root of 870

29.3

400

Where is the biggest sculpture in the world?

Spring Temple-India

500

Name 3 mexican Pyramids

Chichen Itza/Sun/Moon/Pueblito