Determine the number of seconds there are in 30 hours

Electron Configuration and the periodic table true and false questions? Classify each statement as true or false: 1. The highest principal quantum number of period 2 element is 2. 2. Period 4 elements have an inner electron configuration of [Ar] 3.

In the equation: 23491Pa → 234 92U + X The X represents a

Which chemical equation represents a redox reaction?

How do forces between particles in solids compare to forces in the other states of matter?

Summers are caused by a. a combination of longer days and more direct rays from the sun. b. less direct rays from the sun. c. longer days and longer nights. d. Earth in its orbit moving closer to the sun.

What is formed during a chemical reaction when electrons are lost and gained?

During a nuclear reaction, mass is converted into (1) charge (2) energy (3) isomers (4) volume

The temperature reading of - 14°C corresponds to a Kelvin reading of: -287 K. 287 K. 297.6 K 259 K.

If element X consists of 64.6% of atoms with a mass of 34.0 u, 18.2% of atoms with a mass of 35.0 u, and 17.2% of atoms with a mass of 36.0 u, what is the average atomic mass of element X to the nearest hundredth?

Water has a K, value of 1x 10-13 1x 10-10 1x 10-15 1x 10-14