What was thompson working with when he discovered the cathode rays?

Which of the following represents the most matter? 3.5 kg 350 g 3.5 x 10³ hg 3.5 x 10⁴ cg

Is the cyanide ion a strong or weak base?

How many grams are in 3 moles of HF?

What is the formula of the salt produced by this reaction? A. BeS B. Be (OH) 2 C. BeSO3 D. BeSO4

Which of the reactions below is a formation reaction? 1. 2 fe (s) + 3 o (g) → fe2o3 (s) 2. n2 (g) + 2 h2 (g) + 1 2 o2 (g) → n2h4o (g) 3. b2 (s) + 2 i2 (ℓ) + cl2 (g) → 2 bi2cl (g) 4. cdiamond (s) + 1 2 o2 (g) → co (g) ?

If you stand up in a rowboat and take a step towards the dock, you may fall in the water. Explain what happens in this situation. How is it similar to what happens when you take a step on land? How is it different?

3 A2 + B2 >>> 2 units of product 3 AA + BB >>> 2 products 3 volumes + 1 volume >>> 2 volumes product 3 liters + 1 liter >>> 2 liters product 3 moles A2 + 1 mole B2 >>> 2 moles product Click to get the correct formula for the product of the reaction.

The density of a substance with a mass of 48 grams and a volume of 3 ml is what

An atom of beryllium (m = 8.00 u) splits into two atoms of helium (m = 4.00 u) with the release of 92.2 kev of energy. if the original beryllium atom is at rest, find the kinetic energies and speeds of the two helium atoms

The most penetrating neclear radiation is