It is possible because the electrons in the energy level furthest from the nucleus delocalise, this leaves behind positively charged metal ions which are attracted to the negatively charged electrons that now move around the lattice freely
Answer:
Cells are the simplest structures that can carry out all of the characteristics activities of life.
Explanation:
All living things are made of cells and all cells come from other cells.
Each atom will be attracted to both nuclei if the two atoms get close then the nuclei will repel each other
The direction of energy flow in simple food chain is always sun=> plants( producers)=> primary consumers=> secondary consumers=> tertiary consumers, than finally after death of an organism, to decomposers
Ans: 1.4 moles
<u>Given:</u>
Mass of tungsten = 250 g
<u>To determine:</u>
Moles of Tungsten
<u>Explanation:</u>
# moles of a given substance = Mass of the substance in grams/molar mass (g.mol-1)
Atomic mass of W = 184 g.mol-1
# moles of W = 250 g/184 g.mol-1 = 1.359 moles
