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