24

Neils Bohr stated that there are ________ locations around the atom where electrons are found called __________.

• quality; photons

• quantum; sub-levels

• quantize; orbitals

• sub; orbitals

As the quantum number n increases, the energy level goes ________ and the distance from the nucleus goes _________.

• down; up

• up; down

• up; up

• down; down

If the F sub-level has l as 3, what would l for H be?

• 4

• 5

• 6

• 7

24

• 24 protons

• 24 neutrons

• 24 electrons

• 24 quarks

The atomic number of an element is 24. What is the element?

• Chromium

• Manganese

• Iron

• Cobalt

Tags

NGSS.HS-PS1-1

Tags

NGSS.HS-PS1-7

A chemical reaction releases 24 kJ of energy. What is the energy in calories? (1 kJ = 239.006 calories)

• 5736.144 calories

• 5736.144 kJ

• 573.6144 calories

• 573.6144 kJ

Tags

NGSS.HS-PS1-4

A scientist measures a temperature increase of 24 degrees Celsius. What is this increase in Kelvin?

• 24 K

• 297 K

• 273 K

• 0 K

A solution has a concentration of 24 mol/L. What is this concentration in mmol/L?

• 24000 mmol/L

• 2400 mmol/L

• 240 mmol/L

• 24 mmol/L

A cell divides every 24 hours. How many cells will there be after 3 days starting with one cell?

• 8 cells

• 6 cells

• 12 cells

• 24 cells

Tags

NGSS.HS-LS1-4