1) What Is matter? a) anything that has mass and takes up space b) a smallest part c) Every thing 2) What Is elements? a) anything that has mass and takes up space b) a pure substance that connot be broken down into any simpler substance through chemical reactions c) a smallest part 3) What Is atom? a) anything that has mass and takes up space b) a pure substance that connot be broken down into any simpler substance through chemical reactions c) the smallest part unit of an element that ratains the properties of that element 4) What is electron? a) two or more atoms combined b) a subatomic particle with a negative charge located around the nucleus c) a subatomic particle with no electric charge, located in the nucleus of the atom 5) What is neutron? a) two or more atoms combined b) the smallest unit of an element that keeps the properties of that element c) a subatomic particle with no electric charge, located in the nucleus of the atom 6) What is proton ? a) a subatomic particle with a positive charge that is located in the nucleus of an atom b) two or more atoms combined c) the smallest part unit of an element that ratains the properties of that element 7) What is nucleus? a) two or more atoms combined b) the smallest part unit of an element that ratains the properties of that element c) a subatomic particle with a negative charge located around the nucleus d) anything that has mass and takes up space e) the area in the center of an atom where protons and neutrons are located 8) What is atomic number? a) the number of protons in an atom b) a subatomic particle with a positive charge that is located in the nucleus of an atom c) a pure substance made up of only one kind of atom 9) What is molecules? a) two or more atoms combined b) the area in the center of an atom where protons and neutrons are located c) a subatomic particle with a positive charge that is located in the nucleus of an atom

Science

โดย
สั่งพิมพ์
ฝัง

ลีดเดอร์บอร์ด

สไตล์ภาพ

ตัวเลือก

สลับแม่แบบ

คืนค่าการบันทึกอัตโนมัติ: ใช่ไหม