An atom of a fictional element has the energy level diagram shown below. Which line will not appear on the total emission spectrum? Energy level diagram A. 0.9 eV B. 0.8 eV C. 0.7 eV D. 0.6 eV

A basketball with a mass of 0.60 kg is accelerated with a force of 10.8 N. If resisting forces are ignored, what is the acceleration of the basketball to the nearest m/s2? Record your answer and fill in the bubbles on your answer document.

The heaviest naturally occurring element is a. uranium c. xenon b. iron d. silver

In which phase of matter do the molecules that make up the substance have the greatest kinetic energy

The formula for cocaine is C17H21N04. What is the percentage of carbon in the compound? (a) 4.62% (b) 6.99% 21.1% (d) 67.3%

How does the chemical formula for the nitrite ion differ from the chemical formula for the nitrate ion?

How many moles are in. 12 grams of gold.

When lithium reacts with bromine to form the compound LiBr, each lithium atom: (1) gains one electron and becomes a negativelycharged ion (2) gains three electrons and becomes a negativelycharged ion (3) loses one electron and becomes a

Based on what you know about matter, explain why the food coloring mixes at different rates

What does the variable A stand for in the Arrhenius equation? A. activation energy B. frequency factor C. rate constant D. reactant concentration

Name 3 sets of elements that have been added to the periodic table since mendeleev's time