Unit 2 Test Flashcards

Front

What particles are found in the nucleus?

Back

protons and neutrons

Front

________________ have a positive charge, ___________________ have NO charge, and _____________________ have a negative charge.

Back

Protons, Neutrons, Electrons

Front

What are found on the left side of the zig zag line on the periodic table?

Back

metals

Front

What are the horizontal rows and vertical columns on the periodic table called?

Back

Horizontal rows: periods; Vertical columns: groups (families)

Front

Which element is in period 4, group 2? Options: Carbon, Potassium, Calcium, Sodium

Back

Calcium

Front

Which element has similar properties to potassium (K) because they are in the same group (family)? Options: Sodium (Na), Magnesium (Mg), Calcium (Ca), Gold (Au)

Back

Sodium (Na)

Front

The element Zinc (Zn) has an atomic number of 30 and an atomic mass of 65. How many protons, neutrons, and electrons does each atom of zinc contain?

Back

30 protons, 35 neutrons, 30 electrons

Front

What does the atomic number tell you?

Back

Both electrons and protons in an atom.

Front

Which group of the periodic table is composed of inert (not reactive) gases?

Back

noble gases

Front

Elements which are shiny, conduct electricity and heat are called

Back

metal