Summary checklist review - 2.5

What is an atom?

• The smallest piece of matter.

• A substance that cannot be separated into others.

• A table with elements.

• A non-metal element.

What element is this?

• Sodium

• Potassium

• Chlorine

• Argon

What element is this?

• Sodium

• Potassium

• Chlorine

• Argon

What element is this?

• Sodium

• Potassium

• Phosphorus

• Silver

What is the symbol of the element Carbon?

• K

• C

• P

• B

What element has the symbol Li?

The image shows the periodic table. Which elements are shown in red and purple?

图片显示的是元素周期表。红色和紫色显示的是哪些元素？

• Non-metals

• Noble gases

• Some metals

• All metals

The image shows the periodic table. Which elements are shown in blue?

图片显示的是元素周期表。哪些元素显示为蓝色？

• Non-metals

• Noble gases

• Some metals

• All metals

The image shows the periodic table. Which elements are shown in yellow?

图片显示的是元素周期表。哪些元素显示为黄色？

• Non-metals

• Noble gases

• Some metals

• All metals

The image shows the periodic table. Which elements are shown in orange?

图片显示的是元素周期表。哪些元素显示为橙色？

• Non-metals

• Noble gases

• Some metals

• All metals