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 an equal number of neutrons and protons. B) have an equal number of charged and noncharged particles. C) have an equal number of electrons and protons. D) have neutrons in their nuclei.
A) burning wood B) breaking a pencil C) cooking eggs D) digesting food
A) Atomic Mass B) Alphabetical Order C) Atomic Number D) Discovery Date
A) Protons B) Neutrons C) Protons and Neutrons D) Valence Electrons
A) color B) density C) shape D) pH
A) a total of eight protons and neutrons. B) a total of eight neutrons and electrons. C) eight neutrons in its nucleus. D) eight protons in its nucleus.
A) protons plus the number of neutrons. B) protons plus the number of electrons. C) neutrons. D) protons.
A) They are located in the left-most column of the periodic table. B) They are usually gases. C) They are extremely nonreactive. D) They form negative ions with a -1 charge.
A) a basically nonreactive. B) They are extremely rare in nature. C) They form compounds with very bright colors. D) They are highly reactive with both metals and nonmetals.
A) exist in all three states of matter in normal conditions B) are nonreactive C) have only 1 valence electron D) are all metals
A) On the right side. B) In the bottom rows. C) On the left-most side. D) In the middle column of the periodic table.
A) mass;number B) location; ionization C) color; smell D) number; mass
A) 8 neutrons B) 12 neutrons C) 3 neutrons D) 6 neutrons
A) Noble Gases B) Halogens C) Alkaline Metals D) Alkaline Earth
A) Akali B) Noble Gases C) Alkaline Earth D) Halogens
A) Noble Gases B) Halogens C) Alkali D) Alkaline Earth
A) Alkali B) Noble Gases C) Halogens D) Alkaline Earth
A) 2 B) 3 C) 5 D) 4
A) metals B) nonmetals C) metalloids
A) Ms. Watson B) Einstein C) Mendleev D) Mosely
A) by date discovered B) alphabetically C) According to atomic mass D) according to atomic number
A) Atomic Number-Atomic Mass B) Atomic Mass C) Atomic Mass-Atomic Number D) Atomic Number
A) Atomic Mass-Atomic Number B) Atomic Number C) Atomic Mass D) Atomic Number-Atomic mass
A) nucleus B) electrons C) protons D) neutrons
A) reactivity B) flammability C) pH D) color
A) shape B) pH C) texture D) density
A) crushing B) adding dye C) burning D) breaking
A) burning B) breaking C) rusting D) precipitate forming
A) can only be observed by changing the substance B) only can be seen in a few elements C) vary within the same element D) can be observed with senses
A) cn only be observed by changing the substance B) vary within the same element 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) kelvin B) second C) liters D) meters
A) kilograms B) meters C) hours D) grams
A) nethier accurate or precise B) precise C) accurate D) both accurate and precise
A) 1/1,000 B) 1,000 C) 100 D) 1/100
A) control B) dependent C) independent D) constant
A) length of study B) strawberries C) fertilizer D) growth
A) 0.0025m B) 2,500m
A) 16.5g B) 1.65g
A) 9.470x10-2 B) 9.470x102
A) 4.2x10-3 B) 4.2x103
A) 0.0000875 B) 875,000
A) 63,400 B) 0.00634
A) constant B) independent C) dependent D) control
A) stirring rod B) beaker C) tongs D) graduated cylinder
A) 16 B) 13 C) 0 D) 10
A) 19 B) 35 C) 18 D) 17
A) 12 B) 10 C) 14 D) 26
A) 18 B) 10 C) 2 D) 8
A) 57 amu B) 115 amu C) 5.7 amu D) 0.57 amu
A) 1 B) 3 C) 2 D) 4
A) 2 mol B) 67.2 mol C) 0.5 mol D) 89.6 mol
A) 21.07 atoms B) 2.107x1024 atoms C) 5.8x1022 atoms D) 1.72x1023 atoms
A) 2,295ft B) 12,144ft
A) 6.75kg B) 33.3kg
A) Dalton B) Rutherford C) Thomson D) Bohr
A) Chadwick B) Thomson C) Democritus D) Rutherford
A) Thomson B) Rutherford C) Shrodinger and Heisenburg D) Bohr
A) Dalton B) Thomson C) Bohr D) Rutherford
A) Atoms of the same element are exactly alike. B) All matter is made of atoms. C) Atoms combine to form compounds in simple whole number ratios.
A) Chadwick B) Rutherford C) Bohr D) Dalton
A) The mass of electrons is much smaller than the mass of protons and neutrons. B) Electrons are positively charged. C) The mass of protons and neutrons are much smaller than the mass of the electron. D) Electron number never changes.
A) positive charge B) larger mass C) smaller mass D) negative charge
A) electrons B) neutrons C) positrons D) protons
A) 1.33g/ml B) 3g/ml C) 72g/ml D) 0.33g/ml
A) 16g B) 17.5g C) 0.094g D) 10.7g |