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