The diagram below shoes the bonding between aluminium chloride and ammonia 1-
» Al-
a) Name the type of bond labeled
i. X
Imk
ii. Y
1mk
b) How many electrons are used for bonding in the molecule? Imk
Graphite is a non metal yet it

What is the percentage by mass of silicon (si) in iron aluminum silicate (fe3al2(sio4)3)?

Will mark brainliest how many electrons can be held in the energy level n = 4?

Precision can be defined as the o exact center of a data set. o reproducibility of a measured value. o correlation between two variables that are measured in a data set agreement between a measured value and an accepted value.