What is the net charge of an ion that has 9 protons 11 neutrons and 10 electrons

The net charge would be -1 as you have one more electron than protons where protons are +1 (positive), electrons are -1 (negative) and neutrons are 0 (neutral). The numbers refer to there relative charges

False because saturated fatty acids contain only single bond

Aseasonal prevailing wind in the region of south and southeast asia, blowing from the southwest between may and september and bringing rain (the wet monsoon ), or from the northeast between october and april (the dry monsoon ).