How many energy levels will elements have if they are in Period 2?

What royal scientist used the 29th day of frozen vapor to encounter elements for mastering new culinary creations?

Calculate the number of kilojoules to warm 125 g of iron from 23.5°c to 78.0°c.

The human activities in two locations are described below: location a: rampant use of plastic containers location b: excessive use of pesticides and fertilizers which statement is most likely true? location a will have poor air quality because plastic is biodegradable. location a will experience water scarcity because plastic absorbs moisture. the population of honeybees will increase in location b because production of crops will increase. the population of fish in location b will decrease because the water is contaminated.