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