Compared to the atoms of nonmetals in period 3, the atoms of metals in period 3 have

1. fewer valence electrons

2. more valence electrons

3. fewer electron shells

4. more electron shells

Conformity is not a bad thing, but sometimes it is inappropriate?

If a cigarette contains 25 mg of tar, how many cigarettes must a person smoke to inhale 1.0 pounds of tar?

Question 5 Determine the mass (in g) of oxygen (Mc = 32.00) that occupies a volume of 146.7 cm? at a pressure of 106.5 kPa and a temperature of 167 °C. Give the answer to 3 significant figures 9

If the [OH-]=8.6*10^-13, what would the pH of this solution be? Would this solution be considered acidic or basic? **biochem

What do scientist use to measure the mass of a substance

How does the calorie compare to the metric unit the joule? How do you calculate a calorie? Is it the same for all types of food?

Under which conditions would the solubility of a gas be greatest? A. high pressure and high temperature B. high pressure and low temperature C. low pressure and high temperature D. low pressure and low temperature

How many milliliters is 0.55 L? O A. 1000 ml OB. 0.00055 mL O C. 550 ml D. 55 mL

When a warm front passes your location, the temperature rises rapidly. As a result, air density: B? increases decreases remains the same

A scientist wished to carry out a chemical reaction in which two moles of aluminum combine with three moles of sulfur. He has 2.70 g of aluminum to react. How many grams of sulfur must he take to satisfy all the aluminum atoms? 1.51 g 2.14 g 3.