Daily Questions Matter Chemistry

Which of the elements is named after a mythological character who is also a marvel comic character and had movies focused on this character?

Th, Thorium

Which element is named after a Greek titan who stole fire from the Olympians and gave it to humans?

Pm, Promethium

Which female scientist discovered polonium and radium, championed the use of radiation in medicine and fundamentally changed our understanding of radioactivity?

Kurium, Marie Kurie

What observations would indicate that a chemical change has taken place? (8)

1. precipitation

2. formation of a gas

3. change in color

4. heat

5. change in mass

6. light

7. change in temperature

8. change in odor

In the examples of human hair growing and your hair being but, identify what type of change occurs in each example and evidence why they are that type of change

Hair growing is a chemical change because energy in your body reacts to be able to create hair. Hair being cut is a physical change because the length is being cut, the the identity is not changed

Which element is named after a group if Greek deities associated with strength and power?

Ti, Titanium

Which of the elements is named after the son of Zeus whom the gods doomed to spend eternity standing in a pool of water he couldn’t drink, with fruit just out of reach?

Ta, Tantalum

Which element is named after the Greek goddess of the rainbow

Ir, Iridium

Which element is named after a Swedish chemist, engineer, inventor, businessman and philanthropist known for creating dynamite?

No, Nobelium