1. Halogens are good disinfectants. Which of the following is a halogen?

A. N

B. O

C. CI

D. Fe

An automobile tire is inflated to a pressure of 3.05 atm on a rather warm day when the temperature is 40 C. The car is then driven to the mountains and parked overnight. The morning temperature is - 5.0 C (five below zero).

Who first established the heliocentric view

When sodium reacts with chlorine, sodium chloride is produced. Andrew represented this reaction with this equation: Na + Cl2 → 2NaCl

What do scientists do that is the basis for their investigations

Which of the following quantum number combinations is not allowed in an atom?

how many grams of silver chloride are produced when 45 g of calcium chloride react with excess silver nitrate?

The atoms 14N7, 15N7 and 16N7 are? A same in p B different in n C same in e D isotopes E all of these

Which temperature represents the highest average kinetic energy of the particles in a sample of matter? A) 298 K B) 267 K C) 27 degrees Celsius D) 12 degrees Celsius

Give me the summary of the movie "interstellar" in your own words.

The discovery of the sixth quark was accomplished by