A) It is composed of electrons and neutrons B) It is composed of protons and electrons C) It is composed of protons and neutrons D) It is composed of protons only
A) 0 B) - C) +
A) have neutrons in their nuclei. B) have an equal number of charged and noncharged particles. C) have an equal number of neutrons and protons. D) have an equal number of electrons and protons.
A) cooking eggs B) digesting food C) breaking a pencil D) burning wood
A) Discovery Date B) Alphabetical Order C) Atomic Number D) Atomic Mass
A) Neutrons B) Protons and Neutrons C) Protons D) Valence Electrons
A) shape B) density C) color D) pH
A) eight protons in its nucleus. B) a total of eight protons and neutrons. C) eight neutrons in its nucleus. D) a total of eight neutrons and electrons.
A) protons. B) protons plus the number of neutrons. C) neutrons. D) protons plus the number of electrons.
A) They are located in the left-most column of the periodic table. B) They form negative ions with a -1 charge. C) They are usually gases. D) They are extremely nonreactive.
A) They are extremely rare in nature. B) a basically nonreactive. C) They are highly reactive with both metals and nonmetals. D) They form compounds with very bright colors.
A) have only 1 valence electron B) are all metals C) are nonreactive D) exist in all three states of matter in normal conditions
A) In the bottom rows. B) On the left-most side. C) On the right side. D) In the middle column of the periodic table.
A) number; mass B) mass;number C) color; smell D) location; ionization
A) 12 neutrons B) 8 neutrons C) 3 neutrons D) 6 neutrons
A) Noble Gases B) Alkaline Metals C) Alkaline Earth D) Halogens
A) Halogens B) Noble Gases C) Alkaline Earth D) Akali
A) Halogens B) Alkaline Earth C) Noble Gases D) Alkali
A) Alkaline Earth B) Halogens C) Alkali D) Noble Gases
A) 5 B) 4 C) 3 D) 2
A) metalloids B) nonmetals C) metals
A) Ms. Watson B) Mosely C) Einstein D) Mendleev
A) by date discovered B) alphabetically C) according to atomic number D) According to atomic mass
A) Atomic Number-Atomic Mass B) Atomic Mass-Atomic Number C) Atomic Mass D) Atomic Number
A) Atomic Mass B) Atomic Number C) Atomic Number-Atomic mass D) Atomic Mass-Atomic Number
A) electrons B) neutrons C) protons D) nucleus
A) reactivity B) color C) flammability D) pH
A) shape B) pH C) density D) texture
A) adding dye B) breaking C) crushing D) burning
A) rusting B) burning C) breaking D) precipitate forming
A) only can be seen in a few elements B) can only be observed by changing the substance C) vary within the same element D) can be observed with senses
A) cn only be observed by changing the substance B) only can be observed in a few elements C) can be observes with the senses D) vary within the same element
A) physical B) chemical
A) physical B) chemical
A) not enough information B) it will sink C) it will float
A) meters B) second C) kelvin D) liters
A) meters B) hours C) kilograms D) grams
A) accurate B) nethier accurate or precise C) precise D) both accurate and precise
A) 1/1,000 B) 1/100 C) 1,000 D) 100
A) dependent B) independent C) constant D) control
A) strawberries B) fertilizer C) growth D) length of study
A) 2,500m B) 0.0025m
A) 1.65g B) 16.5g
A) 9.470x10-2 B) 9.470x102
A) 4.2x10-3 B) 4.2x103
A) 875,000 B) 0.0000875
A) 0.00634 B) 63,400
A) independent B) control C) dependent D) constant
A) beaker B) stirring rod C) graduated cylinder D) tongs
A) 0 B) 16 C) 13 D) 10
A) 18 B) 17 C) 35 D) 19
A) 26 B) 12 C) 10 D) 14
A) 10 B) 2 C) 8 D) 18
A) 115 amu B) 57 amu C) 5.7 amu D) 0.57 amu
A) 3 B) 1 C) 4 D) 2
A) 89.6 mol B) 2 mol C) 67.2 mol D) 0.5 mol
A) 5.8x1022 atoms B) 21.07 atoms C) 1.72x1023 atoms D) 2.107x1024 atoms
A) 12,144ft B) 2,295ft
A) 33.3kg B) 6.75kg
A) Bohr B) Dalton C) Thomson D) Rutherford
A) Rutherford B) Chadwick C) Democritus D) Thomson
A) Thomson B) Bohr C) Rutherford D) Shrodinger and Heisenburg
A) Rutherford B) Bohr C) Dalton D) Thomson
A) All matter is made of atoms. B) Atoms of the same element are exactly alike. C) Atoms combine to form compounds in simple whole number ratios.
A) Bohr B) Chadwick C) Rutherford D) Dalton
A) The mass of protons and neutrons are much smaller than the mass of the electron. B) The mass of electrons is much smaller than the mass of protons and neutrons. C) Electrons are positively charged. D) Electron number never changes.
A) smaller mass B) larger mass C) positive charge D) negative charge
A) protons B) positrons C) neutrons D) electrons
A) 3g/ml B) 0.33g/ml C) 1.33g/ml D) 72g/ml
A) 10.7g B) 17.5g C) 0.094g D) 16g |