Atomic Structure and Subatomic Particles

<p>They can be stopped by a sheet of paper. (B)</p> Signup and view all the answers

<p>Tellurium (A)</p> Signup and view all the answers

<p>35 (B)</p> Signup and view all the answers

<p>-1 (B)</p> Signup and view all the answers

<p>Beta decay (A)</p> Signup and view all the answers

<p>It can result in the emission of either an electron or a positron. (D)</p> Signup and view all the answers

<p>18 (D)</p> Signup and view all the answers

<p>The number of protons present (C)</p> Signup and view all the answers

<p>Neutral charge (A)</p> Signup and view all the answers

<p>Proton (A)</p> Signup and view all the answers

<p>Electrons have negligible mass compared to protons (A)</p> Signup and view all the answers

<p>As particles with defined paths (B)</p> Signup and view all the answers

<p>Higher likelihood of finding electrons (D)</p> Signup and view all the answers

<p>6 (B)</p> Signup and view all the answers

<p>Electron (C)</p> Signup and view all the answers

<p>The ratio of protons to neutrons (D)</p> Signup and view all the answers

<p>It forms an ion (D)</p> Signup and view all the answers

<p>The fundamental nature of matter (D)</p> Signup and view all the answers

<p>Atoms of the same element with different mass numbers (C)</p> Signup and view all the answers

<p>The distance of the electrons from the nucleus (B)</p> Signup and view all the answers

<p>It represents the number of atoms in a mole (C)</p> Signup and view all the answers

<p>Atoms consist of a nucleus surrounded by electrons (A)</p> Signup and view all the answers

<p>The average mass of all isotopes of the element (B)</p> Signup and view all the answers

<p>Atomic number determines the identity of the element (D)</p> Signup and view all the answers

<p>Anions are larger than the corresponding neutral atom (B)</p> Signup and view all the answers

<p>The arrangement of electrons around the nucleus (D)</p> Signup and view all the answers

<p>Ionization energy is affected by molecular structure and electron configuration (D)</p> Signup and view all the answers

The total number of protons and neutrons in an atom.

The number of protons in an atom, defining the element.

Helium nuclei consisting of 2 protons and 2 neutrons, emitted during alpha decay.

The process where an unstable atom emits an alpha particle, becoming a new element.

High-energy electrons or positrons emitted during beta decay.

The process where an unstable nucleus emits a beta particle, altering its composition.

The release of a beta particle when a neutron decays into a proton and an electron.

The release of a positron when a proton converts into a neutron.

A chlorine atom that gains an electron, resulting in a negative charge.

An atom with 27 protons and 33 neutrons, with no net charge.

The weighted average mass of an atom's isotopes.

The arrangement of protons, neutrons, and electrons in an atom.

The theory that matter is composed of discrete units called atoms.

John Dalton's theory that elements consist of indivisible atoms.

The energy required to remove an electron from an atom.

Atoms of the same element with different numbers of neutrons.

A species of atom characterized by the number of protons and neutrons.

The radii of ions vary based on their charge and electron configuration.

The smallest unit of an element retaining its properties.

The number of atoms or molecules in one mole of a substance, approximately 6.02 x 10²³.

Particles smaller than an atom, including protons, neutrons, and electrons.

The central part of an atom that contains protons and neutrons.

A positively charged particle found in the nucleus of an atom.

A negatively charged particle located outside the nucleus in an electron cloud.

A neutrally charged particle found in the nucleus of an atom.

The number of protons in an atom, which determines the element.

An atom or molecule with an unequal number of protons and electrons.

A simplified model of the atom illustrating electrons in defined orbits.

A region around the nucleus where electrons are likely to be found.