1. Trivia

2. Which were the first elements to form after the Big Bang started to cool?
Hydrogen and helium

3. Who wrote the book “On the Origin of Species”?
Charles Darwin

4. What is a supernova?
The death of a star

5. Question2
Cassowary

7. What substance has the formula
CuSO4
Copper Sulphate

8. potassium

9. When atoms react with each other to form compounds, which subatomic particles are important in determining the type of reaction that occurs?
Electrons

10. What is the symbol for the element Gold?Au

11. How many elements have the letter x in their chemical symbol?
1- Xenon, Xe

13. Plenum

15. What is the formula of sulphuric acid?
H2SO4

16. What substance has the formula of
PbCO3
Lead carbonate

17. How do isotopes of the same element differ?
Number of neutrons

18. What short name is used for a charged atom or group of atoms?
Ion

19. 3. Which element in the periodic table was named in honour of physicist Albert Einstein?
a) Albertium b) Relativium c) Physicsium d) Einsteinium
Answer: D Einsteinium
Einsteinium, which has the chemical symbol 'Es' and atomic number 99, was identified in 1954 in debris from the first hydrogen bomb test carried out under the name operation Ivy. Because of its large number of protons and neutrons it's too unstable to exist in nature, so is only produced in nuclear reactions. Like other synthetic elements, it is highly radioactive and toxic.

20. What are the most common elements in the human body
What are the most common elements in the human body? a) Phosphorus, nitrogen, calcium b) Sulfur, sodium, magnesium c) Copper, zinc, selenium d) Oxygen, carbon and hydrogen

21. 10. What are the most common elements in the human body?
a) Phosphorus, nitrogen, calcium b) Sulfur, sodium, magnesium c) Copper, zinc, selenium d) Oxygen, carbon and hydrogen
Answer: D Oxygen, carbon and hydrogen
Oxygen and hydrogen (mostly as water) together with carbon are by far the most common elements in the body accounting for some 93 percent of the body's total mass. Adding three more elements — nitrogen calcium and phosphorus — accounts for 99 percent of the body's mass.

22. Question1 26
Corgi dogs are said to have originated from WHERE?
Wales

23. pb
The symbol for Mercury, which is the only common metal that is a liquid at room temperature, is Hg.

24. The Periodic symbol for Tungsten is W
The Periodic symbol for Tungsten is W. Tungsten is a greyish-white metal that is used in lightbulb filaments. 75% of the world's Tungsten is found in China.

25. Gold's Periodic symbol is Au
Gold's Periodic symbol is Au. Gold is among the most electrically conductive of all metals. It is also an excellent conductor of thermal energy or heat.

26. When atoms react with each other t form compounds, which subatomic particles are important in determining the type of reaction that occurs? electron