Unit 3 lessons 4-8 quiz

Which scientist developed the model of the atom shown?

• Thomson

• Chadwick

Tags

NGSS.MS-PS1-1

Which scientist developed the model of the atom shown?

• Rutherford

• Chadwick

Tags

NGSS.MS-PS1-1

Which scientist described the existence of the neutron?

• Bohr

• Chadwick

The concept that matter was composed of tiny indivisible particles was originally given by ______________________.

• Democritus

• Thomson

According to the modern concept of the atom, which are located in the nucleus of an atom?

• electrons and protons

• protons and neutrons

WHat do we call columns on the periodic table?

• Periods
• Groups

What do we call rows on the periodic table?

• Periods
• Groups

what do elements in the same group have in common?

• valence electrons

• neutrons

Which elements have similar physical and chemical properties?

• Same group
• Same period

Match the following group names:

• Halogens

• Group 17

• Rare earth metals

• Group 18

• Alkali metals

• Group 3

• Noble gases

• Group 1

• Alkaline earth metals

• Group 2