The history of the atom- Chemistry Topic 1 Flashcards
1
Q
Give one advantage of using nanoparticles in sun creams.
A
- Better coverage
- More protection from the Sun’s ultraviolet rays
2
Q
Give one disadvantage of using nanoparticles in sun creams.
A
Harmful effects to the environment
Potential cell damage to body
3
Q
What is the test for chlorine gas?
A
Damp litmus paper turns white
4
Q
Why is aluminium positioned in Group 3 of the periodic table?
A
It has 3 electrons in its outermost shell
