記憶度
4問
14問
0問
0問
0問
アカウント登録して、解答結果を保存しよう
問題一覧
1
Very reactive metals, always combine with something else nature
Alkali metals (Group 1)
2
The father of periodic table ?
Dimitri Mendeleev
3
In negatively charged it is called???
Anion
4
A negatively charged particle that orbits the nucleus
Electron
5
Positively charged it is called?
Cation
6
It is a quantitative property that must be transferred to an object in order to perform work on, or to heat, the object
Energy
7
A neutral particle also inside the nucleus
Neutron
8
Course presents the fundamentals of physics,chemistry,astronomy and other related subjects.
Physical Science
9
an astronomical object and it is naturally occuring physical entity, association, or structure that exist in the observable universe
Celestial object/bodies
10
The study of forms of matter, including how matter interacts with other matter
Chemistry
11
A characteristics of a subtance that can be observed without changing the subtance into something else
Physical Science
12
means capable of being shaped
Malleable
13
Anything that has mass and takes up space and the “stuff” that everything is made of
Matter
14
The subtances that cannot be broken down any further by chemical means. There are over 100
Elements
15
it’s makes up more than 3/4 of our atmosphere
Nitrogen Family (Group 15)
16
Its good conductors of heat and electricity
Metals
17
Contains elements important to life and computers
Carbon Family (Group 14)
18
A positively charged particle inside the nucleus
Proton
19
Which means being able to allow electricity and heat to flow through
Good conductor
20
The number of protons found in the nucleus of an atom
atomic number
21
A property used to characterize materials in reactions that change their identity
Chemical Property
22
Very reactive gases use in lighted neon signs
Noble Gases (Group 18)
23
Very reactive, diatomic non-metals
Halogens (Group 17)
24
Group has properties of both metals and non-metals
Boron Family (Group 13)
25
it is shinyor reflective of light
Lustrous
26
In this has less reactive, harder metals. Includes metal used in jewelry,money, and construction
Transition Metals (Group 3-12)
27
this is the arrangement of these elements by increasing atomic number and similar properties
Periodic table
28
The mass of an atom including the protons, neitrons, and electrons
average of mass
29
Group of reactive metals that are always combined with non-metals in nature.
Alkaline Earth Metals (Group 2)
30
It is a natural science that studies matter, it’s motion and behavior through
Physics
31
it is necessary for respiration and many things that have a bad odor contain sulfur
Oxygen Family and Chalcogens (Group 16)
32
It is pseudoscience that claims to devine information about human affairs and terrestrial eventsby studying the movements and relative positions of celestial objects
Astrology
33
it is simplest and smallest particle composed of protons,electrons, and neurons
Atoms