Chapter 6 The Periodic Table - (Home) Collinsville Public
... Group 8A are noble gases Group 7A called halogens ...
... Group 8A are noble gases Group 7A called halogens ...
Atomic Theory Notes
... Each element consists of individual atoms All atoms of the same element are identical in mass and properties All atoms of different elements are different in mass and properties ...
... Each element consists of individual atoms All atoms of the same element are identical in mass and properties All atoms of different elements are different in mass and properties ...
Bohr Models - sci9sage-wmci
... they are theoretical, we cannot show them exactly as they are Instead we use models Models- a way of showing/picturing how something works. Based on a Theory ...
... they are theoretical, we cannot show them exactly as they are Instead we use models Models- a way of showing/picturing how something works. Based on a Theory ...
Chapter 4 Notes - Atomic Theory
... Columns of elements are called groups, or families All elements in a family have… similar properties bond with other elements in similar ways have the same number of valence electrons Family names (on the periodic table!): Group 1 = alkali metals (1+, highly reactive) Group 2 = alkal ...
... Columns of elements are called groups, or families All elements in a family have… similar properties bond with other elements in similar ways have the same number of valence electrons Family names (on the periodic table!): Group 1 = alkali metals (1+, highly reactive) Group 2 = alkal ...
Introduction to Atoms
... • Neutral subatomic particle that is found in the nucleus of an atom • Mass almost exactly equal to that of a proton ...
... • Neutral subatomic particle that is found in the nucleus of an atom • Mass almost exactly equal to that of a proton ...
C1 Revision Fundamental ideas adapted CS
... Complete the following using the periodic table to help: H2O: ........... atoms of h.......................... .......... atoms of o....................... ...
... Complete the following using the periodic table to help: H2O: ........... atoms of h.......................... .......... atoms of o....................... ...
c. Section 3.3 Elements and the Periodic Table
... • Ion Charge: this is an electric charge that forms on an atom when it gains or loses electrons. A charged atom is called an ion. • If an atom… ….gains electrons, it becomes negatively charged has more electrons than protons ….loses electrons, it becomes positively charged has more protons than e ...
... • Ion Charge: this is an electric charge that forms on an atom when it gains or loses electrons. A charged atom is called an ion. • If an atom… ….gains electrons, it becomes negatively charged has more electrons than protons ….loses electrons, it becomes positively charged has more protons than e ...
Medical Chemistry Lecture I
... Element = mixture of atoms with the same number of protons (the atomic number) The chemical properties of any given element are determined by the arrangement of electrons around the nucleus. ...
... Element = mixture of atoms with the same number of protons (the atomic number) The chemical properties of any given element are determined by the arrangement of electrons around the nucleus. ...
Isotopes
... • The nucleus contains protons & neutrons • Electrons orbit in the space around the nucleus. • “Planets around the sun” ...
... • The nucleus contains protons & neutrons • Electrons orbit in the space around the nucleus. • “Planets around the sun” ...
Elements, Compounds and Mixtures
... chemical compound that can take place in a chemical reaction. • Has the same chemical properties of that element or compound. • Some molecules consist of two atoms of the same element. • Ex. O2 • Other molecules consists of two or more atoms. • Ex. (H2O) ...
... chemical compound that can take place in a chemical reaction. • Has the same chemical properties of that element or compound. • Some molecules consist of two atoms of the same element. • Ex. O2 • Other molecules consists of two or more atoms. • Ex. (H2O) ...
Atomic Structure powerpoint
... Says that atoms tend to gain, lose or share electrons so as to have eight electrons in their outer electron shell… More specifically, the number of electrons needed to fill the s and p sublevels of that energy level ...
... Says that atoms tend to gain, lose or share electrons so as to have eight electrons in their outer electron shell… More specifically, the number of electrons needed to fill the s and p sublevels of that energy level ...
Exam 2 Review - Iowa State University
... 1. Oxidation number of an element in its elementary or uncombined state is 0. 2. In an ionic compound, the oxidation number of a monatomic ion is the same as its charge. 3. Certain elements almost always have the same oxidation number. a. Group 1A elements = +1 b. Group 2A elements = +2 c. Group 3A ...
... 1. Oxidation number of an element in its elementary or uncombined state is 0. 2. In an ionic compound, the oxidation number of a monatomic ion is the same as its charge. 3. Certain elements almost always have the same oxidation number. a. Group 1A elements = +1 b. Group 2A elements = +2 c. Group 3A ...
What are atoms like???
... For example, the resistance of mercury suddenly drops at 268.8°C. This is called superconductivity. The temprature where it drops is called the critical temperature. There are two types of superconductor: Type 1: which are metals Type 2: which are alloys ...
... For example, the resistance of mercury suddenly drops at 268.8°C. This is called superconductivity. The temprature where it drops is called the critical temperature. There are two types of superconductor: Type 1: which are metals Type 2: which are alloys ...
Finals Study Guide
... so much less mass than atoms, atoms must contain other particles that account for most of their mass The electrons of the outer shell (valence) are separated from the kernel (non-valence) electrons by AN ENERGY LEVEL. (Does it make sense now?) Electromagnetic Radiation—form of energy that exhibits w ...
... so much less mass than atoms, atoms must contain other particles that account for most of their mass The electrons of the outer shell (valence) are separated from the kernel (non-valence) electrons by AN ENERGY LEVEL. (Does it make sense now?) Electromagnetic Radiation—form of energy that exhibits w ...
Presentation
... that can be broken down by chemical methods When they are broken down, the pieces have completely different properties than the compound. Made of molecules- two or more atoms ...
... that can be broken down by chemical methods When they are broken down, the pieces have completely different properties than the compound. Made of molecules- two or more atoms ...
2nd nine weeks benchmark review homework
... Frozen CO2 or Dry Ice goes directly from a solid to a gas. This change of state is called- ...
... Frozen CO2 or Dry Ice goes directly from a solid to a gas. This change of state is called- ...
PPT_Topic2
... number of an element and explain what they mean, and state that electrons are found in shells. We will do this by Analysing nuclide notation and drawing diagrams to show electron structure. We will have succeeded if We can draw a diagram and explain important atom numbers to another pupil. ...
... number of an element and explain what they mean, and state that electrons are found in shells. We will do this by Analysing nuclide notation and drawing diagrams to show electron structure. We will have succeeded if We can draw a diagram and explain important atom numbers to another pupil. ...
Chapter 2 – Atoms and Elements
... • aka Groups 1B-8B (but not in order!) • Group 3 metals readily lose 3 electrons to make cations with +3 charge; otherwise, they act like Group 2 metals • Groups 4-11 are the ‘true’ transition metals in that they lose electrons to form coloured compounds in which the metal atom has a positive charge ...
... • aka Groups 1B-8B (but not in order!) • Group 3 metals readily lose 3 electrons to make cations with +3 charge; otherwise, they act like Group 2 metals • Groups 4-11 are the ‘true’ transition metals in that they lose electrons to form coloured compounds in which the metal atom has a positive charge ...
Atomic Structure
... atoms of one element are different from the atoms of another element. • 3. Atoms of different elements can physically mix together or can chemically combine in simplewhole number ratios to form compounds. • 4. Chemical reactions occur when atoms are separated, joined or rearranged. ...
... atoms of one element are different from the atoms of another element. • 3. Atoms of different elements can physically mix together or can chemically combine in simplewhole number ratios to form compounds. • 4. Chemical reactions occur when atoms are separated, joined or rearranged. ...