Elements are represented by chemical symbols. How many letters are in the chemical symbols of elements?
Is NaCl an element or a compound?
What type of substance is Au (gold)
One difference between elements and compounds is that there are an infinite number of elements, but only a limited number of compounds.
Which element makes up most of the Earth's atmosphere?
The Earth's crust is primarily made up of which two elements?
What is a substance that can't be broken down into simpler substances?
Which of these phrases would you use to describe a substance but NOT a mixture
All of the following are characteristic of neon. Which characteristic makes it an element?
Nitrogen is a major component of living things on Earth
One difference between elements and compounds is that an element consists of only one type of matter, while a compound consists of two or more types.
Which two elements make up the majority of all oceans on Earth?
Which one of these elements is NOT one of the three most abundant elements in plants and animals?
One difference between elements and compounds is that an element consists of only one type of matter, while a compound consists of two or more types.
Elements are made up of a uniform composition
A compound can never be a uniform composition
Which two elements primarily make up the Earth's atmosphere?
Which list contains elements that make up most living things on Earth?
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