Period 2 IS3T 1 & 2 Exam

What is the atomic mass of Iron.

• 55.8 AMU

• 132.2 AMU

• 2.68 AMU

• 100.5 AMU

What is the electronegativity of Cobalt?

• 2.54

• 1.88

• 3.90

• Doesn't have one

What is the boiling point of Calcium?

• 500.2 C

• 1,276 C

• 1,484 C

• 12.3 C

What is the calculated radius of Silicon

• 245 pm

• 382 pm

• 111 pm

• 489 pm

When was Xenon discovered?

• 1457

• 1789

• 1946

• 1898

The smallest particle of an element that still

has all the properties of the element.

• Atom

• Ionization energy

• Atomic Radius

• Ion

An atom or molecule that has an electrical charge because it has gained or lost electrons.

• Element

• Isotope

• Ion

• Electronegativity

Tags

NGSS.MS-PS2-3

How many neutrons are present in the following isotope of Boron

• 5

• 6

• 10

• 11

Tags

NGSS.MS-PS1-1

A positively charged particle located in the nucleus of an atom.

• Neutron

• Electron

• Proton

A negatively charged particle that moves around the nucleus.

• Proton

• Electron

• Neutron