KS3 ATOMS AND ATOMIC STRUCTURE

Cards (44)

  • What is the basic unit of matter?
    Atom
  • How many different atoms are there approximately?
    Around one hundred
  • What are the three subatomic particles in an atom?
    • Protons
    • Neutrons
    • Electrons
  • Where are electrons located in an atom?
    Outside of the atom
  • Where are protons and neutrons found in an atom?
    In the nucleus
  • What are the charges of protons, electrons, and neutrons?
    • Proton: +1
    • Electron: -1
    • Neutron: 0
  • What is the mass of a proton?
    One
  • How is the mass of an electron described?
    Very small
  • What is the mass of a neutron?
    One
  • Where is the mass of the atom concentrated?
    In the nucleus
  • Why is the overall charge of an atom neutral?
    Equal number of protons and electrons
  • How many protons does a carbon atom have?
    Six
  • Who is the speaker in the material?
    Professor Tidlybit
  • What are atoms described as in the material?
    Building blocks of everything
  • How many electrons does a carbon atom have?
    Six
  • What do atoms make up?
    Everything including rocks and plants
  • How many kinds of atoms are found in nature?
    94 kinds of atoms
  • How many additional kinds of atoms have scientists created?
    24 more kinds of atoms
  • What is the total number of kinds of atoms known?
    118 kinds of atoms
  • What is each kind of atom called?
    An element
  • What chart do scientists use to organize elements?
    The Periodic Table of Elements
  • How do you find the number of neutrons in an atom?
    Subtract protons from the larger number
  • What percentage of the human body is made up of six elements?
    Almost 99%
  • What is the percentage of oxygen in the human body?
    65%
  • What is the percentage of carbon in the human body?
    18%
  • What is the number of neutrons in carbon?
    Six
  • What is the percentage of hydrogen in the human body?
    10%
  • What is the percentage of nitrogen in the human body?
    3%
  • What is the percentage of calcium in the human body?
    1.5%
  • What is the percentage of phosphorus in the human body?
    1%
  • How often are the atoms in your body replaced?
    Almost every year
  • How do we bring atoms into our bodies?
    By drinking, eating, and inhaling
  • How do we lose atoms from our bodies?
    By sweating, exhaling, or going to the bathroom
  • What does the periodic table tell us about an atom?
    • Number of protons
    • Number of electrons
    • Number of neutrons
  • What does it mean that you are an ever-changing body of atoms?
    Your atoms come from various places on Earth
  • What should you think about regarding your atoms?
    What makes you really you?
  • What are atoms described as in relation to size?
    Really small
  • What does the larger number in the periodic table represent?
    Atomic mass
  • What does the comparison of atoms in a grain of sand illustrate?
    Atoms are extremely numerous
  • What does the smaller number in the periodic table represent?
    Number of protons