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) + B) 0 C) -
A) have an equal number of charged and noncharged particles. B) have an equal number of neutrons and protons. C) have neutrons in their nuclei. D) have an equal number of electrons and protons.
A) breaking a pencil B) digesting food C) cooking eggs D) burning wood
A) Atomic Number B) Alphabetical Order C) Atomic Mass D) Discovery Date
A) Valence Electrons B) Neutrons C) Protons D) Protons and Neutrons
A) density B) shape C) pH D) color
A) a total of eight protons and neutrons. B) eight protons in its nucleus. C) eight neutrons in its nucleus. D) a total of eight neutrons and electrons.
A) protons. B) protons plus the number of electrons. C) protons plus the number of neutrons. D) neutrons.
A) They are usually gases. B) They are extremely nonreactive. C) They form negative ions with a -1 charge. D) They are located in the left-most column of the periodic table.
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) have only 1 valence electron B) are nonreactive C) exist in all three states of matter in normal conditions D) are all metals
A) In the bottom rows. B) In the middle column of the periodic table. C) On the left-most side. D) On the right side.
A) location; ionization B) mass;number C) color; smell D) number; mass
A) 8 neutrons B) 3 neutrons C) 12 neutrons D) 6 neutrons
A) Alkaline Earth B) Alkali Metals C) Noble Gases D) Halogens
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) Alkaline Earth D) Alkali
A) 5 B) 3 C) 2 D) 4
A) metals B) metalloids C) nonmetals
A) Mosely B) Mendleev C) Ms. Watson D) Einstein
A) by date discovered B) alphabetically C) According to atomic mass D) according to atomic number
A) Atomic Mass-Atomic Number B) Atomic Number C) Atomic Number-Atomic Mass D) Atomic Mass
A) Atomic Number B) Atomic Number-Atomic mass C) Atomic Mass-Atomic Number D) Atomic Mass
A) electrons B) protons C) neutrons D) nucleus
A) flammability B) pH C) color D) reactivity
A) breaking B) burning C) adding dye D) crushing
A) only can be seen in a few elements B) can be observed with senses C) can only be observed by changing the substance D) vary within the same element
A) vary within the same element B) cn only be observed by changing the substance 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 float B) not enough information C) it will sink
A) grams B) meters C) hours D) kilograms
A) accurate B) precise C) both accurate and precise D) nethier accurate or precise
A) 100 B) 1,000 C) 1/100 D) 1/1,000
A) control B) independent C) dependent D) constant
A) length of study B) fertilizer C) strawberries D) growth
A) constant B) independent C) control D) dependent
A) stirring rod B) graduated cylinder C) tongs D) beaker
A) 10 B) 13 C) 0 D) 16
A) 19 B) 35 C) 17 D) 18
A) 26 B) 14 C) 10 D) 12
A) 2 B) 10 C) 18 D) 8
A) 5.7 amu B) 57 amu C) 115 amu D) 0.57 amu
A) 4 B) 1 C) 3 D) 2
A) Bohr B) Dalton C) Thomson D) Rutherford
A) Democritus B) Rutherford C) Thomson D) Chadwick
A) Shrodinger and Heisenburg B) Thomson C) Rutherford D) Bohr
A) Bohr B) Dalton C) Thomson D) Rutherford
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) Bohr B) Rutherford C) Dalton D) Chadwick
A) Electron number never changes. B) The mass of protons and neutrons are much smaller than the mass of the electron. C) Electrons are positively charged. D) The mass of electrons is much smaller than the mass of protons and neutrons.
A) smaller mass B) positive charge C) negative charge D) larger mass
A) protons B) electrons C) positrons D) neutrons
A) 72g/ml B) 3g/ml C) 1.33g/ml D) 0.33g/ml
A) 0.094g B) 24g C) 10.7g D) 17.5g |