Dot and cross diagrams help us to model when ions are formed from atoms. Here’s an example using sodium and chlorine. They form ions which bond to form sodium chloride. 2. Work out how many ...

The formula is H 2 O so the dot and cross diagram includes two H atoms and one O atom. H has 1 outer electron. O has 6 outer electrons. The H circles must each overlap the O circle. Nitrogen ...

A doughnut-shaped structure almost 3,000 kilometers beneath our feet has been discovered by scientists, providing new clues ...

In fact, each gene in cellular DNA contains the code for a unique protein structure. Not only are these proteins assembled with different amino acid sequences, but they also are held together by ...

After slashing interest rates by a half-percentage point today, the Federal Reserve’s “dot plot” showed that officials ...

If you don’t believe me, try this experiment. 1. Draw a black dot on a piece of paper. Write the numbers 1 to 7 to the right of the dot. Make the dot about 1cm in diameter. Space the dot and the ...

The main component of lignocellulose is cellulose, a beta(1–4)-linked chain of glucose molecules. Hydrogen bonds between different layers of the polysaccharides contribute to the resistance of ...

The first crystal structure of an alternative DNA shape from the insulin gene has been revealed by a UCL-led research team.

It's challenging to drive through Nebraska's biggest city without seeing white signs with a singular blue circle peppering ...

Click now to see!! Governor Bassey Otu of Cross River on Friday inaugurated a N2.5 billion medical facility built by the Jennifer Etuh Foundation in Ochon, Obubra Local Government Area of the state.