1) Which of the following is a compound? a) Oxygen b) Nitrogen c) Water d) Hydrogen e) Helium 2) Which of the following is an element a) Carbon dioxide b) Magnesium Sulfate c) Potassium d) Hydrogen Peroxide e) Water 3) Which is an element a) O b) CO2 c) H2O d) H2O2 e) NaCl 4) Which is a compound? a) Xe b) Ar c) Cl3 d) CH4 e) Na2 5) A compound is... a) Two elements that make one b) Two or more different elements combine to make one c) The same element more than once d) An element with a large subscript 6) An element is a) A pure substance that can not be broken down b) a pure substance that can be broken down c) a combination of elements d) a proton and neutron

Element vs. compound

โดย
ฝัง

ลีดเดอร์บอร์ด

สไตล์ภาพ

ตัวเลือก

สลับแม่แบบ

คืนค่าการบันทึกอัตโนมัติ: ใช่ไหม