Which of the following ions would represent the ion of an element from group 2A

Which of these statements is correct? Eukaryotic cells do not have ribosomes. Eukaryotic cells do not have chloroplasts. Prokaryotic cells do not have a cell wall. Prokaryotic cells do not have a nucleus.

Balancing chemical equations NH3 + 5O2~4N O + H2O

What is the chemical formula for the chemical magnesium nitride?

Hydrobromic acid (HBr) and sodium hydroxide (NaOH) combine in a neutralization reaction to form water and a salt. Which of the following correctly identifies the salt that is produced? OHBr NaBr BrH HOH

Lactic acid fermentation occurs in a. any environment containing oxygen. b. mitochondria. c. muscle cells. d. bread dough

In an open system, the vapor pressure is equal to the outside air pressure. T or F?

Could acetic acid be used in the esterification, instead of acetyl chloride? Why or why not?

9. In a sample of gas, what causes pressure? Answer in a completesentence.

Sodium (Na) reacts with chlorine gas (Cl2 ) to form sodium chloride (NaCl) as shown in the equation: 2Na + Cl2 → 2NaCl If 4 moles of chlorine gas react, how many moles of sodium will react?

What are transuranium elements properties?