1
2
3
4
5
100

What is produced by plants after photosynthesis?

Glucose and oxygen

100

Which country will you find the twin tower?

Malaysia

100
  • An atom has a proton number of 5 and an atomic mass number of 11. How many neutrons does it have?

6

100
  • If an element had six valence electrons would it be a metal or non-metal?

non-metal

100

Write the word equation of photosynthesis

Carbon dioxide + water   ----->     glucose + oxygen  

200

What is seen in the middle of March and April that can’t be seen at the beginning or end of either month?

letter r

200

According to ISO, Mongolia is divided into how many provinces?

Clue: between 20 to 30

21

200

What gas is taken from the atmosphere during photosynthesis?

Carbon dioxide

200

What is the capital city of Afghanistan

Kabul

200

I have cities but no houses, I have mountains but no trees, I have water but no fish. What am I?

Map

300

Try to recall the Periodic table of elements. There are 6 elements in group 1. What is the most reactive element in Group 1 of the Periodic table?

Francium or Fr

300

What are the three sub-particles of an atom and their charges?

Proton - positive charge

electron - negative charge

neutron - no charge

300

What are inside the nucleus of an atom?

proton and neutron

300

What are the four things needed by the plants to make food?

carbon dioxide, sunlight, chlorophyll, water

300

Draw the electron structure or configuration of Calcium with a proton number of 20. Write its electron configuration or structure.

2,8,8,2

400

What is a nucleon number?

the number of protons + the number of neutrons in the nucleus of an atom.

400

In what year that the independence of Mongolia from the Qing dynasty being proclaimed?

Clue: between 1900 to 1915

1911

400

I come once a minute, twice in a moment, but never in thousand years. What am l?

 letter m

400

What are the factors that affect the rate of photosynthesis?

light intensity

carbon dioxide concentration

temperature

400

Magnesium has 24 atomic mass and 12 atomic number, How many proton, neutron electron does the magnesium have, write it's electron structure

 proton - 12

neutron - 12

electron - 12

2,8,2

500

Who is one of the scientists who discovered protons in 1911?

Ernest Rutherford

500

State the other name given to:

group 1 ...............

group 7 .................

group 8 .................

group 1 - alkali metal

group 7 - halogen

group 8 - noble gases

500

What is the physical state of the group 7 elements at room temperature?

F ..........                Cl ..................

Br ............            I ..................

As .............

 F - gas, Cl - gas, Br - liquid

I - solid, As - solid

500

Why group 8 elements are all unreactive?

they have a complete outer shell or outermost shell

or because their outer shell is already stable or full

500

Who is the chemist who arranged the periodic table of elements according to their atomic mass? 

Dmitri Mendeleev