Chemistry-Additional
- Created by: Imogen_Mills
- Created on: 28-10-16 17:35
Other questions in this quiz
2. How do you separate immiscible liquids?
- Heat
- Fractional distillation
- Separating funnel
- Shake them
3. What is the formula to find the percentage of an element in a compound?
- ((atomic mass of element x number of atoms) ÷ relative formula mass of compound) x 100
- (atomic mass of element x number of atoms) ÷ relative formula mass of compound
- (relative formula mass of the compound x atomic mass of element) ÷ number of atoms
- ((relative formula mass of the compound x number of atoms) ÷ atomsatomic mass of element) x 100
4. What's an isotope?
- Different atoms of an element with the same number of protons and neutrons but a different number of electrons
- Different atoms of an element with the same number of protons and electrons but a different number of neutrons
- Different atoms of an element with the same number of neutrons and electrons but a different number of protons
5. What group are halogens found in?
- Group 6
- Group 5
- Group 7
- Group 2
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