Which of the following elements is an alkali metal?

Select one:

a. magnesium

b. sodium

c. calcium

d. mercury

What does the symbol in an electron dot diagram mean

Many kayaks are made of plastic and other composite materials that are denser than water. How are such kayaks able to float in water?

I will make you brainliest why magnets are used in motors

A bowling ball reaches a speed of 10 m/s on the first roll, on the second roll it reaches a speed of 8 m/s. Which roll had the most kinetic energy?

Explain how a charged rod can attract a neutral piece

What is the relationship between the mass and period in a mass hanging on spring oscillation and why?

Saturn's moon Titan has a mass of 1.35 * 1023 kg. If Titan is 1.19 * 106 km from Saturn, and Saturn's mass is 5.86 * 1026 kg, what is the gravitational force between Saturn and its moon? 2.76 * 104 N 3.29 * 107 N 3.73 * 1021 N 4.43 * 1030 N

What has occured when bubbles form in a liquid that is being heated

What would happen to the supply of ATP in your cells if you did not eat enough carbohydrates?

According to a rule-of-thumb, every 5 seconds, between a lightning flash and the following thunder gives the distance to the flash in miles.