Two chlorine atoms are held together by this bond

Which of the following happened first?

Solid silicon (Si) and solid magnesium chloride (MgCl2) form when silicon tetrachloride (SiCl4) gas reacts with magnesium metal (Mg). Write a word equation and an unbalanced formula equation including physical states.

Use the word "passive transport" in a sentence that demonstrates its meaning

How is friction involved in sledding and skiing?

Which of the following is accurate about heat absorption and loss? Sea water absorbs and loses heat faster than land. Sea water absorbs heat faster than land, and land loses heat faster than sea water.

Describe how space exploration has changed the economy and culture, and include one specific example.

If a sample containing 2.50 ml of nitroglycerin (density=1.592g/ml) is detonated, how many total moles of gas are produced?

A 5.00g of X, the product of organic synthesis is obtained in a 1.0 dm3 aqueous solution. Calculate the mass of X that can be extracted from the aqueous solution by a 50cm3 of ethoxy ethane. (KD (X) = 40.

2. Why are stain used when preparing observing cells under the

Based on periodic trends of electronegativity, what statement regarding the halogens is MOST accurate? A) Flourine has the lowest electronegativity. Eliminate B) Iodine has the strongest tendency to attract electrons.