Hunting the Elements

What are two important physical properties of copper?

• conduct electricity very good

• malleable (easily bendable)

• brittle (breaks easily

• doesn't conduct electricity very good

What side of the periodic table would you find the non-metal elements?

• left side

• center

• top right side

• mixed all over the periodic table

Which subatomic particle is responsible for how elements react with other elements?

• neutrons

• protons

• electrons

• protons and neutrons

Tags

NGSS.MS-PS1-1

What elements are we (living things) mostly made from?

• Carbon, Hydrogen, Nitrogen, Oxygen, Phosphorus, Sulfur

• Calcium, Helium, Nickel, Oxygen, Potassium, Silica

• Hydrogen, Gold, Aluminum, Iron, Neon

Tags

NGSS.MS-PS1-1

The table organizes the elements by atomic number, that is, the number of protons in each atom, yet the table’s creator – a 19th-century Russian chemistry professor, named Dmitri ________________, knew nothing about protons or atomic numbers.

• Mendeleev

• Curie

• Einstein

• Bohr

Protons may determine the identity of an element, but __________ rule its reactivity.

• electrons

• neutrons

• protons

• isotopes

This element, with 14 protons and 14 electrons, is the 2nd most abundant element in the earth’s rocky crust and is a member of one of the smallest neighborhoods on the table: the semiconductors.

• Silicon

• Aluminum

• Iron

• Magnesium

Tags

NGSS.MS-PS1-1

Switches made out of semiconductors made computers possible, but lately when it comes to high tech, there’s a new family on the block, the ______ ______, 15 elements located near the bottom of the table.

• Rare Earths

• Transition Metals

• Noble Gases

• Halogens

What is the main theme of the NOVA episode 'Hunting the Elements'?

• The search for new planets

• The life of a scientist

• The history of the periodic table

• The building blocks of nature

Tags

NGSS.MS-PS1-5

What is the atomic symbol for gold?

• Ag

• Au

• Go

• Gd