A) It is composed of protons only B) It is composed of electrons and neutrons C) It is composed of protons and electrons D) It is composed of protons and neutrons
A) + B) 0 C) -
A) have an equal number of electrons and protons. B) have an equal number of charged and noncharged particles. C) have an equal number of neutrons and protons. D) have neutrons in their nuclei.
A) digesting food B) burning wood C) cooking eggs D) breaking a pencil
A) Atomic Mass B) Atomic Number C) Alphabetical Order D) Discovery Date
A) Valence Electrons B) Neutrons C) Protons D) Protons and Neutrons
A) color B) pH C) density D) shape
A) eight neutrons in its nucleus. B) a total of eight protons and neutrons. C) eight protons in its nucleus. D) a total of eight neutrons and electrons.
A) protons. B) protons plus the number of electrons. C) neutrons. D) protons plus the number of neutrons.
A) They form negative ions with a -1 charge. B) They are located in the left-most column of the periodic table. C) They are extremely nonreactive. D) They are usually gases.
A) a basically nonreactive. B) They form compounds with very bright colors. C) They are highly reactive with both metals and nonmetals. D) They are extremely rare in nature.
A) have only 1 valence electron B) are nonreactive C) are all metals D) exist in all three states of matter in normal conditions
A) On the left-most side. B) In the bottom rows. C) On the right side. D) In the middle column of the periodic table.
A) color; smell B) location; ionization C) number; mass D) mass;number
A) 8 neutrons B) 6 neutrons C) 3 neutrons D) 12 neutrons
A) Noble Gases B) Alkali Metals C) Halogens D) Alkaline Earth
A) Noble Gases B) Halogens C) Alkaline Earth D) Akali
A) Halogens B) Alkaline Earth C) Noble Gases D) Alkali
A) Alkaline Earth B) Alkali C) Halogens D) Noble Gases
A) 4 B) 5 C) 2 D) 3
A) nonmetals B) metals C) metalloids
A) Mosely B) Ms. Watson C) Einstein D) Mendleev
A) According to atomic mass B) according to atomic number C) alphabetically D) by date discovered
A) Atomic Number B) Atomic Mass-Atomic Number C) Atomic Number-Atomic Mass D) Atomic Mass
A) Atomic Number-Atomic mass B) Atomic Number C) Atomic Mass D) Atomic Mass-Atomic Number
A) neutrons B) electrons C) protons D) nucleus
A) flammability B) reactivity C) color D) pH
A) crushing B) breaking C) adding dye D) burning
A) can be observed with senses B) can only be observed by changing the substance C) vary within the same element D) only can be seen in a few elements
A) vary within the same element B) cn only be observed by changing the substance C) only can be observed in a few elements D) can be observes with the senses
A) physical B) chemical
A) physical B) chemical
A) it will sink B) it will float C) not enough information
A) kilograms B) hours C) meters D) grams
A) nethier accurate or precise B) accurate C) both accurate and precise D) precise
A) 1/100 B) 100 C) 1/1,000 D) 1,000
A) dependent B) independent C) control D) constant
A) fertilizer B) length of study C) strawberries D) growth
A) constant B) independent C) control D) dependent
A) graduated cylinder B) beaker C) tongs D) stirring rod
A) 13 B) 16 C) 10 D) 0
A) 18 B) 35 C) 17 D) 19
A) 12 B) 26 C) 10 D) 14
A) 18 B) 10 C) 2 D) 8
A) 5.7 amu B) 0.57 amu C) 115 amu D) 57 amu
A) 2 B) 4 C) 3 D) 1
A) Bohr B) Dalton C) Rutherford D) Thomson
A) Democritus B) Thomson C) Rutherford D) Chadwick
A) Bohr B) Shrodinger and Heisenburg C) Rutherford D) Thomson
A) Rutherford B) Bohr C) Dalton D) Thomson
A) Atoms of the same element are exactly alike. B) Atoms combine to form compounds in simple whole number ratios. C) All matter is made of atoms.
A) Bohr B) Dalton C) Chadwick D) Rutherford
A) Electron number never changes. B) The mass of electrons is much smaller than the mass of protons and neutrons. C) Electrons are positively charged. D) The mass of protons and neutrons are much smaller than the mass of the electron.
A) positive charge B) negative charge C) larger mass D) smaller mass
A) protons B) electrons C) neutrons D) positrons
A) 72g/ml B) 3g/ml C) 0.33g/ml D) 1.33g/ml
A) 24g B) 17.5g C) 0.094g D) 10.7g |