Radium Word Search
A free Radium word search you can play straight in the browser. The 12-word list draws on the terms and ideas of a school subject, hidden across a 15×15 grid in every direction. Drag through the letters to mark a word off.
Words to find: RADIUM, CHEMISTRY, ELEMENT, ATOM, NUCLEUS, PROTON, NEUTRON, ELECTRON, ISOTOPE, RADIOACTIVITY, DECAY, ALPHA.
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Radium word list, defined
- RADIUM /ˈreɪdiəm/ · noun
- A radioactive metallic element of the alkaline earth group, atomic number 88. It is a highly radioactive, silvery-white metal that glows in the dark. Related: radioactive, metallic, alkaline earth.
- CHEMISTRY /ˈkɛmɪstri/ · noun
- The branch of science concerned with the substances of which matter is composed, their properties, reactions, and the ways in which they interact, combine, and change. It also figuratively denotes a powerful mutual attraction or rapport between people. Related: science of matter, chemical science.
- ELEMENT /ˈɛlɪmənt/ · noun
- A fundamental or essential part of something larger; in chemistry and physics, a substance consisting of atoms all with the same atomic number that cannot be broken down into simpler substances by ordinary chemical means. Related: component, constituent, ingredient, factor.
- ATOM /ˈætəm/ · noun
- The smallest unit of an element that retains the chemical properties of that element, consisting of a nucleus of protons and neutrons orbited by electrons. More broadly, the tiniest conceivable particle or amount of something. Related: particle, molecule, unit, speck.
- NUCLEUS /ˈnjuːkliːəs/ · noun
- The central or most important part of something; the core or essence of something. In biology, the nucleus is the control center of a cell. Related: core, center, essence, heart.
- PROTON /ˈproʊtɑːn/ · noun
- A subatomic particle that has a positive charge and is found in the nucleus of an atom. It is one of the three main components of an atom, along with neutrons and electrons. Related: ion, particle, subatomic particle, nucleon.
- NEUTRON /njuːtrɒn/ · noun
- A subatomic particle with no electric charge and a mass slightly greater than that of a proton. Neutrons are found in the nucleus of an atom and play a key role in nuclear reactions. Related: proton, electron, ion, nucleus.
- ELECTRON /ɪˈlɛktrɒn/ · noun
- A stable subatomic particle with a negative electric charge, found in all atoms and moving around the nucleus. Electrons are the primary carriers of electricity in solids and are responsible for chemical bonding. Related: negatron, subatomic particle, charged particle, beta particle.
- ISOTOPE /ˈaɪsoʊtəp/ · noun
- An atom of an element that has a particular number of neutrons in its nucleus, leading to a different atomic mass from other atoms of the same element. Related: nuclide, radionuclide, isobar, isomer.
- RADIOACTIVITY /ˌreɪdiəʊˈæktɪvɪti/ · noun
- The spontaneous emission of ionizing radiation by an atom or a nucleus, typically as a result of radioactive decay. This process can occur naturally or be induced artificially. Related: radioactivity, ionizing radiation, nuclear radiation, radiation.
- DECAY /dɪˈkeɪ/ · verb and noun
- To decay is to rot or decompose through natural processes, or to decline gradually in quality, condition, or strength. As a noun, decay refers to the state or process of rotting, decomposition, or gradual deterioration. Related: rot, decompose, deteriorate, wither.
- ALPHA /ˈælfə/ · noun
- The first letter of the Greek alphabet (Α, α). More broadly, the first or most dominant item in a series, or an animal ranked highest in a social hierarchy. Related: beginning, first, leading, dominant.
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