Name: …………………… Class: ………….. Matter and atoms - Chemistry For each of the following questions below, match the answer: [2 Points each] - Compound - A substance that is made up of the same kind of particles may it be one element or a compound. - Mixture - A substance made up of the same kind of atoms. - Element - A substance made up of particles which are composed of atoms of two or more different elements bonded together. - Pure Substance - A substance made up of two or more kinds of particles that are not bonded together. An atom has 12 protons, 13 neutrons and 11 electrons. [2 points] - What is its mass number? What is its atomic number? - Is this atom neutral? Why? Name: …………………… Class: ………….. For each of the following questions below, match the answer: [2 Points each] - Compound - A substance that is made up of the same kind of particles may it be one element or a compound. - Mixture - A substance made up of the same kind of atoms. - Element - A substance made up of particles which are composed of atoms of two or more different elements bonded together. - Pure Substance - A substance made up of two or more kinds of particles that are not bonded together. An atom has 12 protons, 13 neutrons and 11 electrons. [2 points] - What is its mass number? What is its atomic number? - Is this atom neutral? Why?
