The electronic configuration of Hg is 1s2 2s2 2p6 3s2 3p6 3d10 4s2 4p6 4d10 5s2 5p6 4f14 5d10 6s2 And so for Hg2+ we got 78 electrons to... View Article
If there is an odd number of lone pairs of electrons around the central atom, the molecule is polar. If there is an even number of lone pairs,... View Article
Classification is important because: It makes the study of such a wide variety of organisms easy. It projects before us a good picture of all... View Article
Aluminium nitrite consists of the aluminium cation Al3+ and the polyatomic nitrite anion NO2−. The chemical formula for aluminium nitrite... View Article
Respiration is the break down of molecules in living cells to release energy. There are two types of respiration: anaerobic, which does not... View Article
Helium is having two unit charges in the nucleus. A hydrogen-like ion is an ion containing only one electron. The energies of the electron in a... View Article
A protein involved in moving only one molecule across a membrane is called a uniport Proteins that move two molecules in the same direction... View Article
the greatest common factor (gcf) is the largest natural number that exactly divides two or more given natural numbers. 6 is the greatest common... View Article
The position of an element on the periodic table (see Resources) tells you the type of ions it will form, with the elements on the right forming... View Article
The formula for bond order (BO) is BO = B - A/2 B= the number of bonding electronsA= the number of antibonding electrons BO = 8−6/2 = 2/2=1... View Article
For any atom, there are seven 7f orbitals. The f-orbitals are unusual in that there are two sets of orbitals in common use. These are are the... View Article
Meridian is the segment joining a vertex to the mid-point of the opposite side Perpendicular from a vertex to opposite side is called altitude.... View Article
We calculate population growth by looking at the change in population over time. The formula for population growth is below P = P0 x ert Where P... View Article
The humerus is the long bone in the arm that runs from the shoulder to the elbow. If the capitulum is on the left side of the bone, it is a left... View Article
The condition in which all acting influences are balanced or cancelled by equal opposing forces, resulting in a stable system is said to be... View Article
According to the Centers for Disease Control and Prevention (CDC) , around one-half of all people diagnosed with congestive heart failure will... View Article
Platinum has 6 valence electrons. (2-) indicates addition of two more electrons to platinum. Each chlorine atom requires 1 electron to complete... View Article
The oxidation number of O in compounds is usually -2, but it is -1 in peroxides. The oxidation number of H is +1 For two H atoms, the sum is +2.... View Article
